MS. ELIZABETH SUZANNE CLARKE M.D.
Prescription History 1801037726
Internal Medicine - Geriatric Medicine in Denver, CO
What does Dr. Clarke prescribe?
In 2024, Dr. Clarke wrote 4,931 Medicare prescriptions for 91 medications. The most prescribed was Atorvastatin Calcium, with 454 prescriptions for 162 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. Clarke prescribes.
Medications 91 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 Colorado prescribers.
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 Colorado prescribers
Dr. Clarke wrote 454 prescriptions for Atorvastatin Calcium, about 3 times as often as the typical Colorado prescriber of it (150). Medicare paid $7.45 per fill, versus $10.23 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
Amlodipine is used with or without other medications to treat high blood pressure.
Compared with Colorado prescribers
Dr. Clarke wrote 328 prescriptions for Amlodipine Besylate, about 3.6 times as often as the typical Colorado prescriber of it (90). Medicare paid $3.94 per fill, versus $7.19 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
Lisinopril is used to treat high blood pressure.
Compared with Colorado prescribers
Dr. Clarke wrote 244 prescriptions for Lisinopril, about 2.5 times as often as the typical Colorado prescriber of it (98). Medicare paid $5.66 per fill, versus $7.63 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
Losartan is used to treat high blood pressure (hypertension) and to help protect the kidneys from damage due to diabetes.
Compared with Colorado prescribers
Dr. Clarke wrote 233 prescriptions for Losartan Potassium, about 2.7 times as often as the typical Colorado prescriber of it (87). Medicare paid $8.04 per fill, versus $9.87 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
Levothyroxine is used to treat an underactive thyroid (hypothyroidism).
Compared with Colorado prescribers
Dr. Clarke wrote 205 prescriptions for Levothyroxine Sodium, about 1.6 times as often as the typical Colorado prescriber of it (132). Medicare paid $12.00 per fill, versus $10.98 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
Omeprazole is used to treat certain stomach and esophagus problems (such as acid reflux, ulcers).
Compared with Colorado prescribers
Dr. Clarke wrote 169 prescriptions for Omeprazole, about 2.3 times as often as the typical Colorado prescriber of it (73). Medicare paid $11.75 per fill, versus $16.00 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
Tamsulosin is used by men to treat the symptoms of an enlarged prostate (benign prostatic hyperplasia-BPH).
Compared with Colorado prescribers
Dr. Clarke wrote 166 prescriptions for Tamsulosin Hcl, about 2.3 times as often as the typical Colorado prescriber of it (71). Medicare paid $12.04 per fill, versus $14.96 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 Colorado prescribers
Dr. Clarke wrote 125 prescriptions for Albuterol Sulfate Hfa, about 2.9 times as often as the typical Colorado prescriber of it (44). Medicare paid $51.90 per fill, versus $29.84 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 Colorado prescribers
Dr. Clarke wrote 106 prescriptions for Gabapentin, about 1.6 times as often as the typical Colorado prescriber of it (66). Medicare paid $17.26 per fill, versus $19.34 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 Colorado prescribers
Dr. Clarke wrote 102 prescriptions for Fluticasone Propionate, about 3.1 times as often as the typical Colorado prescriber of it (33). Medicare paid $10.76 per fill, versus $20.08 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
Metformin is used with a proper diet and exercise program and possibly with other medications to control high blood sugar.
Compared with Colorado prescribers
Dr. Clarke wrote 100 prescriptions for Metformin Hcl, about 1.6 times as often as the typical Colorado prescriber of it (64). Medicare paid $8.42 per fill, versus $8.79 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
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 Colorado prescribers
Dr. Clarke wrote 96 prescriptions for Sertraline Hcl, about 2.1 times as often as the typical Colorado prescriber of it (45). Medicare paid $6.97 per fill, versus $11.45 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 Colorado prescribers
Dr. Clarke wrote 92 prescriptions for Hydrochlorothiazide, about 1.9 times as often as the typical Colorado prescriber of it (50). Medicare paid $6.35 per fill, versus $5.34 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 Colorado prescribers
Dr. Clarke wrote 89 prescriptions for Famotidine, about 2.6 times as often as the typical Colorado prescriber of it (34). Medicare paid $13.19 per fill, versus $16.82 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
This medication is a mineral supplement used to treat or prevent low amounts of potassium in the blood.
Compared with Colorado prescribers
Dr. Clarke wrote 89 prescriptions for Potassium Chloride, about 2 times as often as the typical Colorado prescriber of it (45). Medicare paid $24.08 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
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 Colorado prescribers
Dr. Clarke wrote 89 prescriptions for Rosuvastatin Calcium, about as often as the typical Colorado prescriber of it (87). Medicare paid $9.52 per fill, versus $13.40 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 Colorado prescribers
Dr. Clarke wrote 88 prescriptions for Metoprolol Succinate, about 1.2 times as often as the typical Colorado prescriber of it (71). Medicare paid $14.43 per fill, versus $13.38 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 Colorado prescribers
Dr. Clarke wrote 81 prescriptions for Furosemide, about 1.5 times as often as the typical Colorado prescriber of it (55). Medicare paid $7.77 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
Finasteride is used to shrink an enlarged prostate (benign prostatic hyperplasia or BPH) in adult men.
Compared with Colorado prescribers
Dr. Clarke wrote 80 prescriptions for Finasteride, about 1.7 times as often as the typical Colorado prescriber of it (46). Medicare paid $8.83 per fill, versus $13.59 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 Colorado prescribers
Dr. Clarke wrote 73 prescriptions for Trazodone Hcl, about 1.4 times as often as the typical Colorado prescriber of it (52). Medicare paid $10.18 per fill, versus $9.94 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 Colorado prescribers
Dr. Clarke wrote 64 prescriptions for Jardiance, about 1.7 times as often as the typical Colorado prescriber of it (38). Medicare paid $871.87 per fill, versus $1,010.65 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
See also Warning section.
Compared with Colorado prescribers
Dr. Clarke wrote 58 prescriptions for Diclofenac Sodium, about 1.9 times as often as the typical Colorado prescriber of it (30). Medicare paid $51.18 per fill, versus $33.10 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
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 Colorado prescribers
Dr. Clarke wrote 57 prescriptions for Eliquis, about as often as the typical Colorado prescriber of it (63). Medicare paid $845.91 per fill, versus $971.58 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
Rivaroxaban is used to prevent blood clots from forming due to a certain irregular heartbeat (atrial fibrillation) or after hip or knee replacement surgery.
Compared with Colorado prescribers
Dr. Clarke wrote 56 prescriptions for Xarelto, about 1.7 times as often as the typical Colorado prescriber of it (33). Medicare paid $1,061.02 per fill, versus $997.84 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
Dulaglutide is used with a proper diet and exercise program to control high blood sugar in people with type 2 diabetes.
Compared with Colorado prescribers
Dr. Clarke wrote 53 prescriptions for Trulicity, about 1.7 times as often as the typical Colorado prescriber of it (31). Medicare paid $1,082.46 per fill, versus $1,278.09 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
Spironolactone is used to treat high blood pressure and heart failure.
Compared with Colorado prescribers
Dr. Clarke wrote 50 prescriptions for Spironolactone, about 1.3 times as often as the typical Colorado prescriber of it (39). Medicare paid $11.17 per fill, versus $9.72 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
Semaglutide is used with a proper diet and exercise program to control high blood sugar in people with type 2 diabetes.
Compared with Colorado prescribers
Dr. Clarke wrote 48 prescriptions for Ozempic, about 1.3 times as often as the typical Colorado prescriber of it (36). Medicare paid $902.33 per fill, versus $1,237.91 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 medication is used to treat certain mental/mood disorders (such as depression, anxiety).
Compared with Colorado prescribers
Dr. Clarke wrote 47 prescriptions for Duloxetine Hcl, about as often as the typical Colorado prescriber of it (42). Medicare paid $17.66 per fill, versus $26.79 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
Alendronate is used to prevent and treat certain types of bone loss (osteoporosis) in adults.
Compared with Colorado prescribers
Dr. Clarke wrote 46 prescriptions for Alendronate Sodium, about as often as the typical Colorado prescriber of it (46). Medicare paid $9.91 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
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 Colorado prescribers
Dr. Clarke wrote 44 prescriptions for Simvastatin, about 76% as often as the typical Colorado prescriber of it (58). Medicare paid $4.89 per fill, versus $8.96 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 Colorado prescribers
Dr. Clarke wrote 44 prescriptions for Tramadol Hcl, about as often as the typical Colorado prescriber of it (43). Medicare paid $5.59 per fill, versus $8.39 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
This medication is used to treat certain mental/mood disorders (such as depression, anxiety, panic attacks, and social anxiety disorder).
Compared with Colorado prescribers
Dr. Clarke wrote 43 prescriptions for Venlafaxine Hcl Er, about 1.5 times as often as the typical Colorado prescriber of it (29). Medicare paid $14.68 per fill, versus $27.48 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 Colorado prescribers
Dr. Clarke wrote 41 prescriptions for Fluoxetine Hcl, about 1.2 times as often as the typical Colorado prescriber of it (33). Medicare paid $13.85 per fill, versus $12.33 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
Metformin is used with a proper diet and exercise program and possibly with other medications to control high blood sugar.
Compared with Colorado prescribers
Dr. Clarke wrote 41 prescriptions for Metformin Hcl Er, about as often as the typical Colorado prescriber of it (39). Medicare paid $31.21 per fill, versus $10.07 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
Pantoprazole is used to treat certain stomach and esophagus problems (such as acid reflux).
Compared with Colorado prescribers
Dr. Clarke wrote 40 prescriptions for Pantoprazole Sodium, about 79% as often as the typical Colorado prescriber of it (51). Medicare paid $15.83 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
This medication is used to treat a variety of skin conditions (such as eczema, dermatitis, allergies, rash).
Compared with Colorado prescribers
Dr. Clarke wrote 40 prescriptions for Triamcinolone Acetonide, about 1.2 times as often as the typical Colorado prescriber of it (33). Medicare paid $4.97 per fill, versus $11.11 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 Colorado prescribers
Dr. Clarke wrote 40 prescriptions for Ventolin Hfa, about 1.9 times as often as the typical Colorado prescriber of it (21). Medicare paid $78.79 per fill, versus $69.04 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
This combination medication is used to help relieve moderate to severe pain.
Compared with Colorado prescribers
Dr. Clarke wrote 39 prescriptions for Oxycodone-Acetaminophen, about 84% as often as the typical Colorado prescriber of it (46). Medicare paid $15.99 per fill, versus $27.81 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 Colorado prescribers
Dr. Clarke wrote 39 prescriptions for Semglee (Yfgn) Pen, about 1.9 times as often as the typical Colorado prescriber of it (20). Medicare paid $205.01 per fill, versus $219.79 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
Allopurinol is used to treat gout and certain types of kidney stones.
Compared with Colorado prescribers
Dr. Clarke wrote 35 prescriptions for Allopurinol, about 87% as often as the typical Colorado prescriber of it (40). Medicare paid $68.74 per fill, versus $10.91 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 medication is used to treat depression.
Compared with Colorado prescribers
Dr. Clarke wrote 35 prescriptions for Mirtazapine, about as often as the typical Colorado prescriber of it (34). Medicare paid $34.33 per fill, versus $21.04 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
Compared with Colorado prescribers
Dr. Clarke wrote 34 prescriptions for Sure Comfort Pen Needle, about 1.8 times as often as the typical Colorado prescriber of it (19). Medicare paid $50.61 per fill, versus $44.70 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 to relieve moderate to severe pain.
Compared with Colorado prescribers
Dr. Clarke wrote 32 prescriptions for Hydrocodone-Acetaminophen, about 66% as often as the typical Colorado prescriber of it (49). Medicare paid $15.47 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, anxiety).
Compared with Colorado prescribers
Dr. Clarke wrote 31 prescriptions for Escitalopram Oxalate, about 80% as often as the typical Colorado prescriber of it (39). Medicare paid $11.34 per fill, versus $12.38 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 vaccine is used by adults to prevent zoster (shingles).
Compared with Colorado prescribers
Dr. Clarke wrote 30 prescriptions for Shingrix, about 34% as often as the typical Colorado prescriber of it (88). Medicare paid $199.71 per fill, versus $192.70 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 Colorado prescribers
Dr. Clarke wrote 29 prescriptions for Quetiapine Fumarate, about 70% as often as the typical Colorado prescriber of it (42). Medicare paid $22.78 per fill, versus $22.40 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
Umeclidinium is used to control and prevent symptoms (such as wheezing, shortness of breath) caused by ongoing lung disease (chronic obstructive pulmonary disease-COPD, which includes bronchitis and emphysema).
Compared with Colorado prescribers
Dr. Clarke wrote 28 prescriptions for Incruse Ellipta, about 1.3 times as often as the typical Colorado prescriber of it (21). Medicare paid $925.71 per fill, versus $445.81 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 Colorado prescribers
Dr. Clarke wrote 28 prescriptions for Irbesartan, about 1.2 times as often as the typical Colorado prescriber of it (23). Medicare paid $26.06 per fill, versus $19.55 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
Tiotropium is used to control and prevent symptoms (such as wheezing, shortness of breath) caused by ongoing lung disease (chronic obstructive pulmonary disease-COPD which includes bronchitis and emphysema).
Compared with Colorado prescribers
Dr. Clarke wrote 28 prescriptions for Spiriva Handihaler, about 1.4 times as often as the typical Colorado prescriber of it (19). Medicare paid $790.71 per fill, versus $755.91 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
Donepezil is used to treat confusion (dementia) related to Alzheimer's disease.
Compared with Colorado prescribers
Dr. Clarke wrote 27 prescriptions for Donepezil Hcl, about 69% as often as the typical Colorado prescriber of it (39). Medicare paid $9.15 per fill, versus $15.52 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
This medication is used to help relieve moderate to severe pain.
Compared with Colorado prescribers
Dr. Clarke wrote 26 prescriptions for Oxycodone Hcl, about half as often as the typical Colorado prescriber of it (50). Medicare paid $10.75 per fill, versus $14.28 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
Labetalol is used with or without other medications to treat high blood pressure (hypertension).
Compared with Colorado prescribers
Dr. Clarke wrote 25 prescriptions for Labetalol Hcl, about 1.4 times as often as the typical Colorado prescriber of it (18). Medicare paid $48.45 per fill, versus $31.89 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.
Compared with Colorado prescribers
Dr. Clarke wrote 24 prescriptions for Advair Hfa, about as often as the typical Colorado prescriber of it (22). Medicare paid $986.91 per fill, versus $494.17 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 Colorado prescribers
Dr. Clarke wrote 22 prescriptions for Lantus Solostar, about 77% as often as the typical Colorado prescriber of it (29). Medicare paid $160.20 per fill, versus $138.76 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
Metoprolol is used with or without other medications to treat high blood pressure (hypertension).
Compared with Colorado prescribers
Dr. Clarke wrote 22 prescriptions for Metoprolol Tartrate, about half as often as the typical Colorado prescriber of it (47). Medicare paid $9.84 per fill, versus $7.75 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
Atenolol is used with or without other medications to treat high blood pressure (hypertension).
Compared with Colorado prescribers
Dr. Clarke wrote 21 prescriptions for Atenolol, about 70% as often as the typical Colorado prescriber of it (30). Medicare paid $8.11 per fill, versus $8.84 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 Colorado prescribers
Dr. Clarke wrote 21 prescriptions for Pravastatin Sodium, about 68% as often as the typical Colorado prescriber of it (31). Medicare paid $24.06 per fill, versus $13.01 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
This medication is used to treat pain caused by nerve damage due to diabetes, shingles (herpes zoster) infection, or spinal cord injury.
Compared with Colorado prescribers
Dr. Clarke wrote 21 prescriptions for Pregabalin, about 61% as often as the typical Colorado prescriber of it (34). Medicare paid $22.31 per fill, versus $28.63 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
Tiotropium is used to treat lung diseases such as asthma and COPD (bronchitis, emphysema).
Compared with Colorado prescribers
Dr. Clarke wrote 21 prescriptions for Spiriva Respimat, about 70% as often as the typical Colorado prescriber of it (30). Medicare paid $793.91 per fill, versus $734.44 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 Colorado prescribers
Dr. Clarke wrote 20 prescriptions for Clopidogrel, about half as often as the typical Colorado prescriber of it (37). Medicare paid $12.24 per fill, versus $13.85 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
Linagliptin is used with a proper diet and exercise program and possibly with other medications to control high blood sugar.
Compared with Colorado prescribers
Dr. Clarke wrote 20 prescriptions for Tradjenta, about 84% as often as the typical Colorado prescriber of it (24). Medicare paid $756.11 per fill, versus $707.65 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
Carvedilol is used to treat high blood pressure and heart failure.
Compared with Colorado prescribers
Dr. Clarke wrote 19 prescriptions for Carvedilol, about half as often as the typical Colorado prescriber of it (43). Medicare paid $9.37 per fill, versus $10.02 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 depression.
Compared with Colorado prescribers
Dr. Clarke wrote 19 prescriptions for Citalopram Hbr, about 63% as often as the typical Colorado prescriber of it (30). Medicare paid $5.04 per fill, versus $9.11 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 Colorado prescribers
Dr. Clarke wrote 19 prescriptions for Estradiol, about 60% as often as the typical Colorado prescriber of it (32). Medicare paid $55.25 per fill, versus $59.25 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 Colorado prescribers
Dr. Clarke wrote 19 prescriptions for Warfarin Sodium, about half as often as the typical Colorado prescriber of it (33). Medicare paid $7.00 per fill, versus $9.39 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
This medication is used to treat seizure disorders, certain psychiatric conditions (manic phase of bipolar disorder), and to prevent migraine headaches.
Compared with Colorado prescribers
Dr. Clarke wrote 18 prescriptions for Divalproex Sodium, about 63% as often as the typical Colorado prescriber of it (29). Medicare paid $58.89 per fill, versus $39.15 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 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 Colorado prescribers
Dr. Clarke wrote 18 prescriptions for Symbicort, about 72% as often as the typical Colorado prescriber of it (25). Medicare paid $409.32 per fill, versus $346.03 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
This combination medication is used to treat symptoms of Parkinson's disease or Parkinson-like symptoms (such as shakiness, stiffness, difficulty moving).
Compared with Colorado prescribers
Dr. Clarke wrote 17 prescriptions for Carbidopa-Levodopa, about 30% as often as the typical Colorado prescriber of it (57). Medicare paid $15.30 per fill, versus $37.47 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
This medication is used to treat high blood pressure.
Compared with Colorado prescribers
Dr. Clarke wrote 17 prescriptions for Lisinopril-Hydrochlorothiazide, about half as often as the typical Colorado prescriber of it (36). Medicare paid $7.31 per fill, versus $9.01 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
Memantine is used to treat moderate to severe confusion (dementia) related to Alzheimer's disease.
Compared with Colorado prescribers
Dr. Clarke wrote 17 prescriptions for Memantine Hcl, about half as often as the typical Colorado prescriber of it (35). Medicare paid $20.49 per fill, versus $34.50 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 help relieve severe ongoing pain (such as due to cancer).
Compared with Colorado prescribers
Dr. Clarke wrote 17 prescriptions for Morphine Sulfate Er, about half as often as the typical Colorado prescriber of it (39). Medicare paid $12.47 per fill, versus $30.69 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 Colorado prescribers
Dr. Clarke wrote 16 prescriptions for Breyna, about half as often as the typical Colorado prescriber of it (29). Medicare paid $267.87 per fill, versus $263.52 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
This medication is used to treat depression.
Compared with Colorado prescribers
Dr. Clarke wrote 16 prescriptions for Bupropion Xl, about half as often as the typical Colorado prescriber of it (33). Medicare paid $28.02 per fill, versus $28.52 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
Ketoconazole is used to treat skin infections such as athlete's foot, jock itch, ringworm, and certain kinds of dandruff.
Compared with Colorado prescribers
Dr. Clarke wrote 16 prescriptions for Ketoconazole, about 41% as often as the typical Colorado prescriber of it (39). Medicare paid $9.47 per fill, versus $17.85 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
Montelukast is used to control and prevent symptoms caused by asthma (such as wheezing and shortness of breath).
Compared with Colorado prescribers
Dr. Clarke wrote 16 prescriptions for Montelukast Sodium, about half as often as the typical Colorado prescriber of it (35). Medicare paid $3.23 per fill, versus $11.27 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.
Compared with Colorado prescribers
Dr. Clarke wrote 16 prescriptions for Propranolol Hcl, about 66% as often as the typical Colorado prescriber of it (24). Medicare paid $20.36 per fill, versus $20.37 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 anxiety.
Compared with Colorado prescribers
Dr. Clarke wrote 15 prescriptions for Buspirone Hcl, about half as often as the typical Colorado prescriber of it (30). Medicare paid $14.70 per fill, versus $16.84 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 skin conditions (such as insect bites, poison oak/ivy, eczema, dermatitis, allergies, rash, itching of the outer female genitals, anal itching).
Compared with Colorado prescribers
Dr. Clarke wrote 15 prescriptions for Hydrocortisone, about 63% as often as the typical Colorado prescriber of it (24). Medicare paid $6.87 per fill, versus $19.56 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 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 Colorado prescribers
Dr. Clarke wrote 14 prescriptions for Fluticasone-Salmeterol, about half as often as the typical Colorado prescriber of it (25). Medicare paid $264.29 per fill, versus $177.29 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
Sitagliptin is used with a proper diet and exercise program and possibly with other medications to control high blood sugar.
Compared with Colorado prescribers
Dr. Clarke wrote 14 prescriptions for Januvia, about 61% as often as the typical Colorado prescriber of it (23). Medicare paid $845.93 per fill, versus $926.46 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
Rivastigmine is used to treat confusion (dementia) related to Alzheimer's disease and to Parkinson's disease.
Compared with Colorado prescribers
Dr. Clarke wrote 14 prescriptions for Rivastigmine, about half as often as the typical Colorado prescriber of it (26). Medicare paid $80.76 per fill, versus $55.08 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
Compared with Colorado prescribers
Dr. Clarke wrote 13 prescriptions for Single Use Swab, about 89% as often as the typical Colorado prescriber of it (15). Medicare paid $5.93 per fill, versus $3.65 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
Compared with Colorado prescribers
Dr. Clarke wrote 13 prescriptions for Ultra-Fine Mini Pen Needle, about 76% as often as the typical Colorado prescriber of it (17). Medicare paid $129.64 per fill, versus $86.60 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 vaccine is used to keep up protection (immunity) against diphtheria, tetanus (lockjaw) and pertussis (whooping cough) in children and adults who have been vaccinated for these diseases in the past.
Compared with Colorado prescribers
Dr. Clarke wrote 12 prescriptions for Boostrix Tdap, about 11% as often as the typical Colorado prescriber of it (111). Medicare paid $52.98 per fill, versus $60.21 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
This combination medication is used to treat attention deficit hyperactivity disorder - ADHD.
Compared with Colorado prescribers
Dr. Clarke wrote 12 prescriptions for Dextroamphetamine-Amphetamine, about half as often as the typical Colorado prescriber of it (24). Medicare paid $9.39 per fill, versus $33.25 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 Colorado prescribers
Dr. Clarke wrote 12 prescriptions for Losartan-Hydrochlorothiazide, about 41% as often as the typical Colorado prescriber of it (30). Medicare paid $38.51 per fill, versus $12.57 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
Tirzepatide is used with a proper diet and exercise program to control high blood sugar in people with type 2 diabetes.
Compared with Colorado prescribers
Dr. Clarke wrote 12 prescriptions for Mounjaro, about 32% as often as the typical Colorado prescriber of it (38). Medicare paid $1,020.72 per fill, versus $1,287.07 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
PEG (polyethylene glycol) with electrolyte is used to clean out the intestines before certain bowel exam procedures such as colonoscopy or barium enema X-rays.
Compared with Colorado prescribers
Dr. Clarke wrote 12 prescriptions for Peg 3350-Electrolyte, about 17% as often as the typical Colorado prescriber of it (72). Medicare paid $27.88 per fill, versus $24.21 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
This medication is a hormone.
Compared with Colorado prescribers
Dr. Clarke wrote 12 prescriptions for Premarin, about 73% as often as the typical Colorado prescriber of it (16). Medicare paid $327.58 per fill, versus $383.39 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
This vaccine is used to prevent infection by the respiratory syncytial virus (RSV).
Compared with Colorado prescribers
Dr. Clarke wrote 11 prescriptions for Abrysvo, about 12% as often as the typical Colorado prescriber of it (90). Medicare paid $302.21 per fill, versus $276.05 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 Colorado prescribers
Dr. Clarke wrote 11 prescriptions for Esomeprazole Magnesium, about half as often as the typical Colorado prescriber of it (23). Medicare paid $50.68 per fill, versus $48.10 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. Clarke’s prescriptions
What does Dr. Clarke prescribe most?
In 2024 Medicare Part D data, Dr. Clarke's most prescribed medications were Atorvastatin Calcium (454), Amlodipine Besylate (328) and Lisinopril (244).
How does Dr. Clarke's prescribing compare with other Colorado prescribers?
Of the 91 medications with a state comparison, Dr. Clarke prescribes 31 more often than the typical Colorado prescriber, 21 about as often and 39 less often. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Dr. Clarke 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 Colorado 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.