DR. CHARLES DAVIS ALLEN III M.D.
Prescription History 1801015607
Internal Medicine in Asheville, NC
What does Dr. Allen prescribe?
In 2024, Dr. Allen wrote 5,698 Medicare prescriptions for 110 medications. The most prescribed was Rosuvastatin Calcium, with 514 prescriptions for 228 patients.
Medicare Part D only. These are prescriptions filled by people with Medicare drug coverage in 2024, from the CMS data released in 2026, the most recent year available. CMS does not publish medications with fewer than 11 prescriptions, so this is not a full list of what Dr. Allen prescribes.
Medications 110 medications
Prescriptions filled under Medicare Part D in 2024. Select a medication to see what it is used for and how it compares with other North Carolina prescribers.
What it is used for
Rosuvastatin is used along with a proper diet to help lower "bad" cholesterol and fats (such as LDL, triglycerides) and raise "good" cholesterol (HDL) in the blood.
Compared with North Carolina prescribers
Dr. Allen wrote 514 prescriptions for Rosuvastatin Calcium, about 4.1 times as often as the typical North Carolina prescriber of it (124). Medicare paid $15.02 per fill, versus $11.22 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Amlodipine is used with or without other medications to treat high blood pressure.
Compared with North Carolina prescribers
Dr. Allen wrote 292 prescriptions for Amlodipine Besylate, about 1.9 times as often as the typical North Carolina prescriber of it (150). Medicare paid $8.11 per fill, versus $5.92 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Atorvastatin is used along with a proper diet to help lower "bad" cholesterol and fats (such as LDL, triglycerides) and raise "good" cholesterol (HDL) in the blood.
Compared with North Carolina prescribers
Dr. Allen wrote 255 prescriptions for Atorvastatin Calcium, about 1.4 times as often as the typical North Carolina prescriber of it (179). Medicare paid $12.07 per fill, versus $9.41 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Levothyroxine is used to treat an underactive thyroid (hypothyroidism).
Compared with North Carolina prescribers
Dr. Allen wrote 247 prescriptions for Levothyroxine Sodium, about 1.7 times as often as the typical North Carolina prescriber of it (146). Medicare paid $12.91 per fill, versus $9.86 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Losartan is used to treat high blood pressure (hypertension) and to help protect the kidneys from damage due to diabetes.
Compared with North Carolina prescribers
Dr. Allen wrote 209 prescriptions for Losartan Potassium, about 1.9 times as often as the typical North Carolina prescriber of it (108). Medicare paid $11.12 per fill, versus $9.16 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Pantoprazole is used to treat certain stomach and esophagus problems (such as acid reflux).
Compared with North Carolina prescribers
Dr. Allen wrote 184 prescriptions for Pantoprazole Sodium, about 2.2 times as often as the typical North Carolina prescriber of it (83). Medicare paid $16.12 per fill, versus $11.79 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Metformin is used with a proper diet and exercise program and possibly with other medications to control high blood sugar.
Compared with North Carolina prescribers
Dr. Allen wrote 168 prescriptions for Metformin Hcl, about 2 times as often as the typical North Carolina prescriber of it (83). Medicare paid $12.83 per fill, versus $7.15 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is a beta-blocker used to treat chest pain (angina), heart failure, and high blood pressure.
Compared with North Carolina prescribers
Dr. Allen wrote 168 prescriptions for Metoprolol Succinate, about 1.5 times as often as the typical North Carolina prescriber of it (108). Medicare paid $16.01 per fill, versus $12.24 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Ezetimibe is used along with a low cholesterol/low fat diet and exercise to help lower cholesterol in the blood.
Compared with North Carolina prescribers
Dr. Allen wrote 137 prescriptions for Ezetimibe, about 2.6 times as often as the typical North Carolina prescriber of it (53). Medicare paid $31.11 per fill, versus $17.30 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Lisinopril is used to treat high blood pressure.
Compared with North Carolina prescribers
Dr. Allen wrote 135 prescriptions for Lisinopril, about 1.2 times as often as the typical North Carolina prescriber of it (110). Medicare paid $9.96 per fill, versus $6.57 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Meloxicam is used to treat arthritis.
Compared with North Carolina prescribers
Dr. Allen wrote 129 prescriptions for Meloxicam, about 2.2 times as often as the typical North Carolina prescriber of it (58). Medicare paid $4.88 per fill, versus $4.21 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Simvastatin is used along with a proper diet to help lower "bad" cholesterol and fats (such as LDL, triglycerides) and raise "good" cholesterol (HDL) in the blood.
Compared with North Carolina prescribers
Dr. Allen wrote 124 prescriptions for Simvastatin, about 1.9 times as often as the typical North Carolina prescriber of it (66). Medicare paid $8.40 per fill, versus $7.76 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat depression.
Compared with North Carolina prescribers
Dr. Allen wrote 112 prescriptions for Trazodone Hcl, about 1.5 times as often as the typical North Carolina prescriber of it (75). Medicare paid $9.68 per fill, versus $8.65 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Montelukast is used to control and prevent symptoms caused by asthma (such as wheezing and shortness of breath).
Compared with North Carolina prescribers
Dr. Allen wrote 109 prescriptions for Montelukast Sodium, about 1.7 times as often as the typical North Carolina prescriber of it (63). Medicare paid $15.27 per fill, versus $9.52 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Omeprazole is used to treat certain stomach and esophagus problems (such as acid reflux, ulcers).
Compared with North Carolina prescribers
Dr. Allen wrote 105 prescriptions for Omeprazole, about as often as the typical North Carolina prescriber of it (107). Medicare paid $15.01 per fill, versus $13.28 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Gabapentin is used with other medications to prevent and control seizures.
Compared with North Carolina prescribers
Dr. Allen wrote 103 prescriptions for Gabapentin, about as often as the typical North Carolina prescriber of it (100). Medicare paid $16.99 per fill, versus $15.37 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat certain mental/mood disorders (such as depression, panic attacks, obsessive compulsive disorder, post-traumatic stress disorder, social anxiety disorder).
Compared with North Carolina prescribers
Dr. Allen wrote 88 prescriptions for Sertraline Hcl, about 1.3 times as often as the typical North Carolina prescriber of it (67). Medicare paid $10.77 per fill, versus $9.21 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Pravastatin is used along with a proper diet to help lower "bad" cholesterol and fats (such as LDL, triglycerides) and raise "good" cholesterol (HDL) in the blood.
Compared with North Carolina prescribers
Dr. Allen wrote 78 prescriptions for Pravastatin Sodium, about 1.3 times as often as the typical North Carolina prescriber of it (61). Medicare paid $27.40 per fill, versus $12.87 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat high blood pressure.
Compared with North Carolina prescribers
Dr. Allen wrote 70 prescriptions for Hydrochlorothiazide, about 88% as often as the typical North Carolina prescriber of it (80). Medicare paid $5.89 per fill, versus $4.14 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Tamsulosin is used by men to treat the symptoms of an enlarged prostate (benign prostatic hyperplasia-BPH).
Compared with North Carolina prescribers
Dr. Allen wrote 70 prescriptions for Tamsulosin Hcl, about 84% as often as the typical North Carolina prescriber of it (83). Medicare paid $15.97 per fill, versus $13.02 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat certain mental/mood disorders (such as depression, anxiety).
Compared with North Carolina prescribers
Dr. Allen wrote 66 prescriptions for Escitalopram Oxalate, about 1.2 times as often as the typical North Carolina prescriber of it (55). Medicare paid $13.56 per fill, versus $10.58 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Apixaban is used to prevent serious blood clots from forming due to a certain irregular heartbeat (atrial fibrillation) or after hip/knee replacement surgery.
Compared with North Carolina prescribers
Dr. Allen wrote 61 prescriptions for Eliquis, about 66% as often as the typical North Carolina prescriber of it (92). Medicare paid $1,286.59 per fill, versus $835.47 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Allopurinol is used to treat gout and certain types of kidney stones.
Compared with North Carolina prescribers
Dr. Allen wrote 58 prescriptions for Allopurinol, about as often as the typical North Carolina prescriber of it (52). Medicare paid $11.13 per fill, versus $8.90 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat certain mental/mood disorders (such as depression, anxiety).
Compared with North Carolina prescribers
Dr. Allen wrote 57 prescriptions for Duloxetine Hcl, about as often as the typical North Carolina prescriber of it (55). Medicare paid $32.21 per fill, versus $21.02 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Semaglutide is used with a proper diet and exercise program to control high blood sugar in people with type 2 diabetes.
Compared with North Carolina prescribers
Dr. Allen wrote 57 prescriptions for Ozempic, about as often as the typical North Carolina prescriber of it (62). Medicare paid $1,662.59 per fill, versus $1,259.98 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Empagliflozin is used with a proper diet and exercise program to control high blood sugar in people with type 2 diabetes.
Compared with North Carolina prescribers
Dr. Allen wrote 55 prescriptions for Jardiance, about as often as the typical North Carolina prescriber of it (56). Medicare paid $1,205.95 per fill, versus $973.00 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat muscle spasms caused by certain conditions (such as multiple sclerosis, spinal cord injury).
Compared with North Carolina prescribers
Dr. Allen wrote 54 prescriptions for Tizanidine Hcl, about as often as the typical North Carolina prescriber of it (50). Medicare paid $7.61 per fill, versus $10.90 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Carvedilol is used to treat high blood pressure and heart failure.
Compared with North Carolina prescribers
Dr. Allen wrote 51 prescriptions for Carvedilol, about 81% as often as the typical North Carolina prescriber of it (63). Medicare paid $9.22 per fill, versus $7.93 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Finasteride is used to shrink an enlarged prostate (benign prostatic hyperplasia or BPH) in adult men.
Compared with North Carolina prescribers
Dr. Allen wrote 51 prescriptions for Finasteride, about as often as the typical North Carolina prescriber of it (55). Medicare paid $17.42 per fill, versus $12.39 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Prednisone is used to treat conditions such as arthritis, blood disorders, breathing problems, severe allergies, skin diseases, cancer, eye problems, and immune system disorders.
Compared with North Carolina prescribers
Dr. Allen wrote 51 prescriptions for Prednisone, about as often as the typical North Carolina prescriber of it (51). Medicare paid $6.10 per fill, versus $4.07 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Zolpidem is used for a short time to treat a certain sleep problem (insomnia) in adults.
Compared with North Carolina prescribers
Dr. Allen wrote 48 prescriptions for Zolpidem Tartrate, about as often as the typical North Carolina prescriber of it (50). Medicare paid $6.09 per fill, versus $6.29 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Furosemide is used to reduce extra fluid in the body (edema) caused by conditions such as heart failure, liver disease, and kidney disease.
Compared with North Carolina prescribers
Dr. Allen wrote 46 prescriptions for Furosemide, about half as often as the typical North Carolina prescriber of it (83). Medicare paid $4.13 per fill, versus $4.73 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
See also Warning section.
Compared with North Carolina prescribers
Dr. Allen wrote 44 prescriptions for Tramadol Hcl, about 75% as often as the typical North Carolina prescriber of it (59). Medicare paid $2.36 per fill, versus $7.30 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is a mineral supplement used to treat or prevent low amounts of potassium in the blood.
Compared with North Carolina prescribers
Dr. Allen wrote 43 prescriptions for Potassium Chloride, about 67% as often as the typical North Carolina prescriber of it (64). Medicare paid $27.36 per fill, versus $17.71 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Amoxicillin/clavulanic acid is a combination penicillin-type antibiotic used to treat a wide variety of bacterial infections.
Compared with North Carolina prescribers
Dr. Allen wrote 41 prescriptions for Amoxicillin-Clavulanate Potass, about 1.5 times as often as the typical North Carolina prescriber of it (28). Medicare paid $7.00 per fill, versus $9.06 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Nebivolol is used to treat high blood pressure.
Compared with North Carolina prescribers
Dr. Allen wrote 41 prescriptions for Nebivolol Hcl, about 1.6 times as often as the typical North Carolina prescriber of it (26). Medicare paid $47.89 per fill, versus $45.83 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat depression.
Compared with North Carolina prescribers
Dr. Allen wrote 36 prescriptions for Bupropion Xl, about 88% as often as the typical North Carolina prescriber of it (41). Medicare paid $26.36 per fill, versus $22.49 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This drug is used to treat high blood pressure.
Compared with North Carolina prescribers
Dr. Allen wrote 36 prescriptions for Triamterene-Hydrochlorothiazid, about 1.2 times as often as the typical North Carolina prescriber of it (29). Medicare paid $4.77 per fill, versus $8.76 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Chlorthalidone is used to treat high blood pressure (hypertension).
Compared with North Carolina prescribers
Dr. Allen wrote 35 prescriptions for Chlorthalidone, about 1.3 times as often as the typical North Carolina prescriber of it (28). Medicare paid $18.61 per fill, versus $14.57 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Clonazepam is used to prevent and control seizures.
Compared with North Carolina prescribers
Dr. Allen wrote 35 prescriptions for Clonazepam, about 66% as often as the typical North Carolina prescriber of it (53). Medicare paid $7.21 per fill, versus $8.09 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This drug is used to treat high blood pressure.
Compared with North Carolina prescribers
Dr. Allen wrote 35 prescriptions for Losartan-Hydrochlorothiazide, about as often as the typical North Carolina prescriber of it (37). Medicare paid $14.46 per fill, versus $12.29 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Pioglitazone is a diabetes drug (thiazolidinedione-type, also called "glitazones") used along with a proper diet and exercise program to control high blood sugar in patients with type 2 diabetes.
Compared with North Carolina prescribers
Dr. Allen wrote 35 prescriptions for Pioglitazone Hcl, about as often as the typical North Carolina prescriber of it (38). Medicare paid $18.45 per fill, versus $12.36 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Atenolol is used with or without other medications to treat high blood pressure (hypertension).
Compared with North Carolina prescribers
Dr. Allen wrote 34 prescriptions for Atenolol, about as often as the typical North Carolina prescriber of it (35). Medicare paid $13.34 per fill, versus $6.75 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Metformin is used with a proper diet and exercise program and possibly with other medications to control high blood sugar.
Compared with North Carolina prescribers
Dr. Allen wrote 34 prescriptions for Metformin Hcl Er, about half as often as the typical North Carolina prescriber of it (63). Medicare paid $7.19 per fill, versus $8.42 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Spironolactone is used to treat high blood pressure and heart failure.
Compared with North Carolina prescribers
Dr. Allen wrote 34 prescriptions for Spironolactone, about 70% as often as the typical North Carolina prescriber of it (49). Medicare paid $11.17 per fill, versus $7.79 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Valsartan is used to treat high blood pressure and heart failure.
Compared with North Carolina prescribers
Dr. Allen wrote 34 prescriptions for Valsartan, about 89% as often as the typical North Carolina prescriber of it (38). Medicare paid $36.07 per fill, versus $23.08 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat certain mental/mood disorders (such as depression, anxiety, panic attacks, and social anxiety disorder).
Compared with North Carolina prescribers
Dr. Allen wrote 34 prescriptions for Venlafaxine Hcl Er, about as often as the typical North Carolina prescriber of it (33). Medicare paid $15.64 per fill, versus $20.88 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat certain mental/mood disorders (such as depression, panic attacks, obsessive compulsive disorder).
Compared with North Carolina prescribers
Dr. Allen wrote 33 prescriptions for Fluoxetine Hcl, about 82% as often as the typical North Carolina prescriber of it (40). Medicare paid $8.59 per fill, versus $10.01 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Fluticasone is used to relieve seasonal and year-round allergic and non-allergic nasal symptoms, such as stuffy/runny nose, itching, and sneezing.
Compared with North Carolina prescribers
Dr. Allen wrote 30 prescriptions for Fluticasone Propionate, about half as often as the typical North Carolina prescriber of it (57). Medicare paid $16.99 per fill, versus $15.33 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Irbesartan is used to treat high blood pressure (hypertension) and to help protect the kidneys from damage due to diabetes.
Compared with North Carolina prescribers
Dr. Allen wrote 30 prescriptions for Irbesartan, about as often as the typical North Carolina prescriber of it (30). Medicare paid $14.94 per fill, versus $19.03 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Sitagliptin is used with a proper diet and exercise program and possibly with other medications to control high blood sugar.
Compared with North Carolina prescribers
Dr. Allen wrote 30 prescriptions for Januvia, about as often as the typical North Carolina prescriber of it (31). Medicare paid $1,061.02 per fill, versus $879.54 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat high blood pressure.
Compared with North Carolina prescribers
Dr. Allen wrote 30 prescriptions for Lisinopril-Hydrochlorothiazide, about 72% as often as the typical North Carolina prescriber of it (42). Medicare paid $8.53 per fill, versus $7.65 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Clopidogrel is used to prevent heart attacks and strokes in persons with heart disease (recent heart attack), recent stroke, or blood circulation disease (peripheral vascular disease).
Compared with North Carolina prescribers
Dr. Allen wrote 29 prescriptions for Clopidogrel, about half as often as the typical North Carolina prescriber of it (57). Medicare paid $3.06 per fill, versus $10.33 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Ibandronate is used to prevent and treat certain types of bone loss (osteoporosis).
Compared with North Carolina prescribers
Dr. Allen wrote 29 prescriptions for Ibandronate Sodium, about 1.2 times as often as the typical North Carolina prescriber of it (25). Medicare paid $24.42 per fill, versus $27.09 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This is a long-acting form of oxybutynin that is used to treat overactive bladder and urinary conditions.
Compared with North Carolina prescribers
Dr. Allen wrote 29 prescriptions for Oxybutynin Chloride Er, about as often as the typical North Carolina prescriber of it (29). Medicare paid $28.99 per fill, versus $15.82 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Metoprolol is used with or without other medications to treat high blood pressure (hypertension).
Compared with North Carolina prescribers
Dr. Allen wrote 28 prescriptions for Metoprolol Tartrate, about half as often as the typical North Carolina prescriber of it (63). Medicare paid $4.29 per fill, versus $6.24 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat depression.
Compared with North Carolina prescribers
Dr. Allen wrote 27 prescriptions for Mirtazapine, about half as often as the typical North Carolina prescriber of it (46). Medicare paid $15.80 per fill, versus $19.60 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Azithromycin is used to treat a wide variety of bacterial infections.
Compared with North Carolina prescribers
Dr. Allen wrote 26 prescriptions for Azithromycin, about 77% as often as the typical North Carolina prescriber of it (34). Medicare paid $5.05 per fill, versus $5.72 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Bumetanide is used to reduce extra fluid in the body (edema) caused by conditions such as heart failure, liver disease, and kidney disease.
Compared with North Carolina prescribers
Dr. Allen wrote 26 prescriptions for Bumetanide, about 87% as often as the typical North Carolina prescriber of it (30). Medicare paid $20.69 per fill, versus $29.66 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This drug is used to treat high blood pressure.
Compared with North Carolina prescribers
Dr. Allen wrote 26 prescriptions for Valsartan-Hydrochlorothiazide, about as often as the typical North Carolina prescriber of it (27). Medicare paid $62.21 per fill, versus $32.24 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used alone or with other medications to treat Parkinson's disease.
Compared with North Carolina prescribers
Dr. Allen wrote 25 prescriptions for Ropinirole Hcl, about 81% as often as the typical North Carolina prescriber of it (31). Medicare paid $11.98 per fill, versus $15.56 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Esomeprazole is used to treat certain stomach and esophagus problems (such as acid reflux, ulcers).
Compared with North Carolina prescribers
Dr. Allen wrote 23 prescriptions for Esomeprazole Magnesium, about 73% as often as the typical North Carolina prescriber of it (31). Medicare paid $26.12 per fill, versus $34.77 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Famotidine is used to treat ulcers of the stomach and intestines and to prevent intestinal ulcers from coming back after they have healed.
Compared with North Carolina prescribers
Dr. Allen wrote 23 prescriptions for Famotidine, about 42% as often as the typical North Carolina prescriber of it (55). Medicare paid $9.70 per fill, versus $14.12 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Valacyclovir is used to treat infections caused by certain types of viruses.
Compared with North Carolina prescribers
Dr. Allen wrote 23 prescriptions for Valacyclovir, about as often as the typical North Carolina prescriber of it (24). Medicare paid $22.16 per fill, versus $35.53 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Donepezil is used to treat confusion (dementia) related to Alzheimer's disease.
Compared with North Carolina prescribers
Dr. Allen wrote 22 prescriptions for Donepezil Hcl, about 39% as often as the typical North Carolina prescriber of it (56). Medicare paid $41.10 per fill, versus $12.43 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Isosorbide mononitrate is used to prevent chest pain (angina) in patients with a certain heart condition (coronary artery disease).
Compared with North Carolina prescribers
Dr. Allen wrote 21 prescriptions for Isosorbide Mononitrate Er, about half as often as the typical North Carolina prescriber of it (47). Medicare paid $22.11 per fill, versus $11.13 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Memantine is used to treat moderate to severe confusion (dementia) related to Alzheimer's disease.
Compared with North Carolina prescribers
Dr. Allen wrote 21 prescriptions for Memantine Hcl, about 37% as often as the typical North Carolina prescriber of it (56). Medicare paid $20.16 per fill, versus $28.36 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat certain mental/mood disorders (such as schizophrenia, bipolar disorder, sudden episodes of mania or depression associated with bipolar disorder).
Compared with North Carolina prescribers
Dr. Allen wrote 21 prescriptions for Quetiapine Fumarate, about half as often as the typical North Carolina prescriber of it (49). Medicare paid $10.03 per fill, versus $16.58 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Diltiazem is used to treat high blood pressure (hypertension) and prevent chest pain (angina).
Compared with North Carolina prescribers
Dr. Allen wrote 20 prescriptions for Diltiazem 24hr Er (Cd), about half as often as the typical North Carolina prescriber of it (37). Medicare paid $35.67 per fill, versus $22.51 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used in men to treat the symptoms of an enlarged prostate (benign prostatic hyperplasia-BPH).
Compared with North Carolina prescribers
Dr. Allen wrote 20 prescriptions for Dutasteride, about 65% as often as the typical North Carolina prescriber of it (31). Medicare paid $34.81 per fill, versus $26.46 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is a hormone.
Compared with North Carolina prescribers
Dr. Allen wrote 20 prescriptions for Estradiol, about half as often as the typical North Carolina prescriber of it (35). Medicare paid $199.91 per fill, versus $50.92 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Olmesartan is used to treat high blood pressure (hypertension).
Compared with North Carolina prescribers
Dr. Allen wrote 20 prescriptions for Olmesartan Medoxomil, about half as often as the typical North Carolina prescriber of it (37). Medicare paid $35.61 per fill, versus $16.24 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Insulin degludec is used with a proper diet and exercise program to control high blood sugar in people with diabetes.
Compared with North Carolina prescribers
Dr. Allen wrote 20 prescriptions for Tresiba Flextouch U-100, about 68% as often as the typical North Carolina prescriber of it (30). Medicare paid $807.84 per fill, versus $613.10 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat depression.
Compared with North Carolina prescribers
Dr. Allen wrote 19 prescriptions for Citalopram Hbr, about half as often as the typical North Carolina prescriber of it (40). Medicare paid $7.10 per fill, versus $6.60 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat a wide variety of bacterial infections, including those that cause acne.
Compared with North Carolina prescribers
Dr. Allen wrote 19 prescriptions for Doxycycline Monohydrate, about 74% as often as the typical North Carolina prescriber of it (26). Medicare paid $8.47 per fill, versus $14.93 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat anxiety.
Compared with North Carolina prescribers
Dr. Allen wrote 19 prescriptions for Lorazepam, about 38% as often as the typical North Carolina prescriber of it (50). Medicare paid $2.04 per fill, versus $6.60 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used alone or with other medications to control seizures.
Compared with North Carolina prescribers
Dr. Allen wrote 19 prescriptions for Primidone, about half as often as the typical North Carolina prescriber of it (34). Medicare paid $18.88 per fill, versus $22.00 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Albuterol (also known as salbutamol) is used to prevent and treat wheezing and shortness of breath caused by breathing problems (such as asthma, chronic obstructive pulmonary disease).
Compared with North Carolina prescribers
Dr. Allen wrote 18 prescriptions for Albuterol Sulfate Hfa, about 27% as often as the typical North Carolina prescriber of it (67). Medicare paid $42.36 per fill, versus $28.29 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat certain bladder problems (overactive bladder, neurogenic detrusor overactivity).
Compared with North Carolina prescribers
Dr. Allen wrote 18 prescriptions for Myrbetriq, about half as often as the typical North Carolina prescriber of it (41). Medicare paid $885.61 per fill, versus $618.02 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Doxazosin is used alone or with other drugs to treat high blood pressure (hypertension).
Compared with North Carolina prescribers
Dr. Allen wrote 17 prescriptions for Doxazosin Mesylate, about 67% as often as the typical North Carolina prescriber of it (25). Medicare paid $22.12 per fill, versus $13.63 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Levothyroxine is used to treat an underactive thyroid (hypothyroidism).
Compared with North Carolina prescribers
Dr. Allen wrote 17 prescriptions for Synthroid, about half as often as the typical North Carolina prescriber of it (39). Medicare paid $56.17 per fill, versus $80.23 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat a certain sleep problem (insomnia).
Compared with North Carolina prescribers
Dr. Allen wrote 17 prescriptions for Temazepam, about 64% as often as the typical North Carolina prescriber of it (27). Medicare paid $5.36 per fill, versus $11.55 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to prevent or treat gout attacks (flares).
Compared with North Carolina prescribers
Dr. Allen wrote 16 prescriptions for Colchicine, about 72% as often as the typical North Carolina prescriber of it (22). Medicare paid $49.20 per fill, versus $47.35 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Diazepam is used to treat anxiety, alcohol withdrawal, and seizures.
Compared with North Carolina prescribers
Dr. Allen wrote 16 prescriptions for Diazepam, about half as often as the typical North Carolina prescriber of it (30). Medicare paid $3.31 per fill, versus $8.57 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is a laxative used to treat constipation.
Compared with North Carolina prescribers
Dr. Allen wrote 16 prescriptions for Lactulose, about half as often as the typical North Carolina prescriber of it (30). Medicare paid $12.50 per fill, versus $27.75 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Lovastatin is used along with a proper diet to help lower "bad" cholesterol and fats (such as LDL, triglycerides) and raise "good" cholesterol (HDL) in the blood.
Compared with North Carolina prescribers
Dr. Allen wrote 16 prescriptions for Lovastatin, about half as often as the typical North Carolina prescriber of it (28). Medicare paid $13.41 per fill, versus $9.56 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat certain mental/mood disorders (such as depression, panic attacks, obsessive compulsive disorder, anxiety disorders, post-traumatic stress disorder).
Compared with North Carolina prescribers
Dr. Allen wrote 16 prescriptions for Paroxetine Hcl, about half as often as the typical North Carolina prescriber of it (27). Medicare paid $18.01 per fill, versus $13.79 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Alprazolam is used to treat anxiety and panic disorders.
Compared with North Carolina prescribers
Dr. Allen wrote 15 prescriptions for Alprazolam, about 21% as often as the typical North Carolina prescriber of it (72). Medicare paid $5.05 per fill, versus $4.85 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is a nonsteroidal anti-inflammatory drug (NSAID), specifically a COX-2 inhibitor, which relieves pain and swelling (inflammation).
Compared with North Carolina prescribers
Dr. Allen wrote 15 prescriptions for Celecoxib, about 35% as often as the typical North Carolina prescriber of it (43). Medicare paid $60.01 per fill, versus $22.19 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to prevent and decrease symptoms (wheezing and trouble breathing) caused by asthma and ongoing lung disease (chronic obstructive pulmonary disease-COPD, including chronic bronchitis and emphysema).
Compared with North Carolina prescribers
Dr. Allen wrote 14 prescriptions for Breo Ellipta, about half as often as the typical North Carolina prescriber of it (32). Medicare paid $605.56 per fill, versus $498.91 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This product is used to control and prevent symptoms (wheezing and shortness of breath) caused by asthma or ongoing lung disease (chronic obstructive pulmonary disease-COPD, which includes chronic bronchitis and emphysema).
Compared with North Carolina prescribers
Dr. Allen wrote 14 prescriptions for Budesonide-Formoterol Fumarate, about 70% as often as the typical North Carolina prescriber of it (20). Medicare paid $234.47 per fill, versus $204.72 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat a variety of bacterial infections.
Compared with North Carolina prescribers
Dr. Allen wrote 14 prescriptions for Ciprofloxacin Hcl, about half as often as the typical North Carolina prescriber of it (27). Medicare paid $10.92 per fill, versus $7.29 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Dapagliflozin is used with a proper diet and exercise program to control high blood sugar in people with type 2 diabetes.
Compared with North Carolina prescribers
Dr. Allen wrote 14 prescriptions for Farxiga, about 33% as often as the typical North Carolina prescriber of it (43). Medicare paid $799.49 per fill, versus $898.18 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Glimepiride is used with a proper diet and exercise program to control high blood sugar in people with type 2 diabetes.
Compared with North Carolina prescribers
Dr. Allen wrote 14 prescriptions for Glimepiride, about 34% as often as the typical North Carolina prescriber of it (41). Medicare paid $10.42 per fill, versus $7.93 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Glipizide is used with a proper diet and exercise program to control high blood sugar in people with type 2 diabetes.
Compared with North Carolina prescribers
Dr. Allen wrote 14 prescriptions for Glipizide, about half as often as the typical North Carolina prescriber of it (32). Medicare paid $14.78 per fill, versus $8.04 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Methocarbamol is used to treat muscle spasms/pain.
Compared with North Carolina prescribers
Dr. Allen wrote 14 prescriptions for Methocarbamol, about half as often as the typical North Carolina prescriber of it (31). Medicare paid $10.81 per fill, versus $12.86 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Nifedipine is used alone or in combination with other drugs to treat high blood pressure (hypertension).
Compared with North Carolina prescribers
Dr. Allen wrote 14 prescriptions for Nifedipine Er, about half as often as the typical North Carolina prescriber of it (27). Medicare paid $14.63 per fill, versus $20.56 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat a wide variety of bacterial infections, including those that cause acne.
Compared with North Carolina prescribers
Dr. Allen wrote 13 prescriptions for Doxycycline Hyclate, about 38% as often as the typical North Carolina prescriber of it (34). Medicare paid $31.22 per fill, versus $12.00 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Fenofibrate is used along with a proper diet to help lower "bad" cholesterol and fats (such as LDL, triglycerides) and raise "good" cholesterol (HDL) in the blood.
Compared with North Carolina prescribers
Dr. Allen wrote 13 prescriptions for Fenofibrate, about half as often as the typical North Carolina prescriber of it (26). Medicare paid $32.31 per fill, versus $21.08 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This drug is used to treat high blood pressure (hypertension).
Compared with North Carolina prescribers
Dr. Allen wrote 13 prescriptions for Irbesartan-Hydrochlorothiazide, about half as often as the typical North Carolina prescriber of it (23). Medicare paid $20.26 per fill, versus $21.29 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Insulin glargine is used with a proper diet and exercise program to control high blood sugar in people with diabetes.
Compared with North Carolina prescribers
Dr. Allen wrote 13 prescriptions for Lantus Solostar, about 34% as often as the typical North Carolina prescriber of it (38). Medicare paid $102.97 per fill, versus $118.49 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat high blood pressure (hypertension).
Compared with North Carolina prescribers
Dr. Allen wrote 13 prescriptions for Telmisartan, about 42% as often as the typical North Carolina prescriber of it (31). Medicare paid $16.06 per fill, versus $29.63 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Albuterol (also known as salbutamol) is used to prevent and treat wheezing and shortness of breath caused by breathing problems (such as asthma, chronic obstructive pulmonary disease).
Compared with North Carolina prescribers
Dr. Allen wrote 13 prescriptions for Ventolin Hfa, about half as often as the typical North Carolina prescriber of it (27). Medicare paid $72.54 per fill, versus $65.62 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Benazepril is used to treat high blood pressure (hypertension).
Compared with North Carolina prescribers
Dr. Allen wrote 12 prescriptions for Benazepril Hcl, about half as often as the typical North Carolina prescriber of it (26). Medicare paid $8.99 per fill, versus $9.32 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Cyclobenzaprine is used short-term to treat muscle spasms.
Compared with North Carolina prescribers
Dr. Allen wrote 12 prescriptions for Cyclobenzaprine Hcl, about 28% as often as the typical North Carolina prescriber of it (42). Medicare paid $6.54 per fill, versus $9.06 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
Compared with North Carolina prescribers
Dr. Allen wrote 12 prescriptions for Ultra-Fine Mini Pen Needle, about half as often as the typical North Carolina prescriber of it (21). Medicare paid $66.32 per fill, versus $83.49 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This combination medication is used along with a proper diet to help lower "bad" cholesterol and fats (such as LDL, triglycerides) and raise "good" cholesterol (HDL) in the blood.
Compared with North Carolina prescribers
Dr. Allen wrote 11 prescriptions for Ezetimibe-Simvastatin, about 65% as often as the typical North Carolina prescriber of it (17). Medicare paid $14.18 per fill, versus $59.68 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat pain caused by nerve damage due to diabetes, shingles (herpes zoster) infection, or spinal cord injury.
Compared with North Carolina prescribers
Dr. Allen wrote 11 prescriptions for Pregabalin, about 23% as often as the typical North Carolina prescriber of it (48). Medicare paid $33.90 per fill, versus $21.67 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is a beta blocker used to treat high blood pressure, irregular heartbeats, shaking (tremors), and other conditions as determined by your doctor.
Compared with North Carolina prescribers
Dr. Allen wrote 11 prescriptions for Propranolol Hcl Er, about half as often as the typical North Carolina prescriber of it (21). Medicare paid $52.34 per fill, versus $33.73 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat blood clots (such as in deep vein thrombosis-DVT or pulmonary embolus-PE) and/or to prevent new clots from forming in your body.
Compared with North Carolina prescribers
Dr. Allen wrote 11 prescriptions for Warfarin Sodium, about 31% as often as the typical North Carolina prescriber of it (35). Medicare paid $6.73 per fill, versus $8.74 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
Questions about Dr. Allen’s prescriptions
What does Dr. Allen prescribe most?
In 2024 Medicare Part D data, Dr. Allen's most prescribed medications were Rosuvastatin Calcium (514), Amlodipine Besylate (292) and Atorvastatin Calcium (255).
How does Dr. Allen's prescribing compare with other North Carolina prescribers?
Of the 110 medications with a state comparison, Dr. Allen prescribes 18 more often than the typical North Carolina prescriber, 33 about as often and 59 less often. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Dr. Allen prescribes?
No. It covers prescriptions filled by people with Medicare Part D drug coverage in 2024, and CMS leaves out any medication with fewer than 11 prescriptions.
About this data
This page shows one provider’s slice of public Medicare files. NPI Profile does not receive prescriptions or patient records.
| Source | What it provides here | Data year |
|---|---|---|
| CMS Medicare Part D Prescribers by Provider and Drug | Each medication, prescriptions, patients, 30-day fills, days of medication and cost. State comparisons average the North Carolina prescribers of the same medication and form, where at least five wrote it. | 2024 (released 2026, the most recent available) |
| CMS Medicare Part D Drug Spending Dashboard | What each medication is used for. | 2024 |
- Only prescriptions filled by people with Medicare Part D drug coverage are counted. Private insurance, Medicaid and cash purchases are not.
- CMS leaves out medications with fewer than 11 prescriptions and hides patient counts under 11.
- Cost per fill is what the plan and the patient paid the pharmacy together, not what you pay at the counter.
- Medication descriptions are summaries from CMS. They are not medical advice; ask a health care professional about any medication.
