MS. ERIN BRIGID ALCAZAR FNP
Prescription History 1457698607
Nurse Practitioner - Family in East Saint Louis, IL
What does Erin Alcazar prescribe?
In 2024, Erin Alcazar wrote 2,571 Medicare prescriptions for 69 medications. The most prescribed was Atorvastatin Calcium, with 257 prescriptions for 96 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 Erin Alcazar prescribes.
Medications 69 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 Illinois 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 Illinois prescribers
Erin Alcazar wrote 257 prescriptions for Atorvastatin Calcium, about 1.2 times as often as the typical Illinois prescriber of it (208). Medicare paid $7.20 per fill, versus $9.37 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
Amlodipine is used with or without other medications to treat high blood pressure.
Compared with Illinois prescribers
Erin Alcazar wrote 193 prescriptions for Amlodipine Besylate, about 1.3 times as often as the typical Illinois prescriber of it (146). Medicare paid $6.60 per fill, versus $6.68 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
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 Illinois prescribers
Erin Alcazar wrote 144 prescriptions for Albuterol Sulfate Hfa, about 2.4 times as often as the typical Illinois prescriber of it (61). Medicare paid $18.28 per fill, versus $31.97 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 Illinois prescribers
Erin Alcazar wrote 123 prescriptions for Gabapentin, about 1.4 times as often as the typical Illinois prescriber of it (87). Medicare paid $20.98 per fill, versus $15.83 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
Lisinopril is used to treat high blood pressure.
Compared with Illinois prescribers
Erin Alcazar wrote 112 prescriptions for Lisinopril, about as often as the typical Illinois prescriber of it (120). Medicare paid $5.88 per fill, versus $7.00 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
Losartan is used to treat high blood pressure (hypertension) and to help protect the kidneys from damage due to diabetes.
Compared with Illinois prescribers
Erin Alcazar wrote 82 prescriptions for Losartan Potassium, about 71% as often as the typical Illinois prescriber of it (115). Medicare paid $4.66 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
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 Illinois prescribers
Erin Alcazar wrote 77 prescriptions for Prednisone, about 1.7 times as often as the typical Illinois prescriber of it (46). Medicare paid $1.55 per fill, versus $3.88 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 a beta-blocker used to treat chest pain (angina), heart failure, and high blood pressure.
Compared with Illinois prescribers
Erin Alcazar wrote 76 prescriptions for Metoprolol Succinate, about 61% as often as the typical Illinois prescriber of it (125). Medicare paid $11.38 per fill, versus $14.27 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
Metformin is used with a proper diet and exercise program and possibly with other medications to control high blood sugar.
Compared with Illinois prescribers
Erin Alcazar wrote 65 prescriptions for Metformin Hcl, about 64% as often as the typical Illinois prescriber of it (102). Medicare paid $6.28 per fill, versus $7.31 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 Illinois prescribers
Erin Alcazar wrote 51 prescriptions for Simvastatin, about 68% as often as the typical Illinois prescriber of it (75). Medicare paid $5.76 per fill, versus $8.10 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
Vitamin D (ergocalciferol-D2, cholecalciferol-D3, alfacalcidol) is a fat-soluble vitamin that helps your body absorb calcium and phosphorus.
Compared with Illinois prescribers
Erin Alcazar wrote 50 prescriptions for Vitamin D2, about 1.7 times as often as the typical Illinois prescriber of it (30). Medicare paid $7.75 per fill, versus $6.87 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
Amoxicillin/clavulanic acid is a combination penicillin-type antibiotic used to treat a wide variety of bacterial infections.
Compared with Illinois prescribers
Erin Alcazar wrote 46 prescriptions for Amoxicillin-Clavulanate Potass, about 1.8 times as often as the typical Illinois prescriber of it (26). Medicare paid $8.59 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
Memantine is used to treat moderate to severe confusion (dementia) related to Alzheimer's disease.
Compared with Illinois prescribers
Erin Alcazar wrote 46 prescriptions for Memantine Hcl, about 70% as often as the typical Illinois prescriber of it (66). Medicare paid $13.26 per fill, versus $30.45 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
Omeprazole is used to treat certain stomach and esophagus problems (such as acid reflux, ulcers).
Compared with Illinois prescribers
Erin Alcazar wrote 44 prescriptions for Omeprazole, about half as often as the typical Illinois prescriber of it (96). Medicare paid $20.76 per fill, versus $11.25 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 high blood pressure.
Compared with Illinois prescribers
Erin Alcazar wrote 43 prescriptions for Hydrochlorothiazide, about half as often as the typical Illinois prescriber of it (76). Medicare paid $3.08 per fill, versus $4.15 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 used to treat a wide variety of bacterial infections, including those that cause acne.
Compared with Illinois prescribers
Erin Alcazar wrote 41 prescriptions for Doxycycline Hyclate, about 1.4 times as often as the typical Illinois prescriber of it (30). Medicare paid $8.93 per fill, versus $12.92 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
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 Illinois prescribers
Erin Alcazar wrote 41 prescriptions for Furosemide, about half as often as the typical Illinois prescriber of it (90). Medicare paid $4.25 per fill, versus $5.20 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 Illinois prescribers
Erin Alcazar wrote 36 prescriptions for Pantoprazole Sodium, about half as often as the typical Illinois prescriber of it (83). Medicare paid $15.36 per fill, versus $12.56 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
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 Illinois prescribers
Erin Alcazar wrote 36 prescriptions for Rosuvastatin Calcium, about 34% as often as the typical Illinois prescriber of it (105). Medicare paid $15.75 per fill, versus $13.25 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
Alendronate is used to prevent and treat certain types of bone loss (osteoporosis) in adults.
Compared with Illinois prescribers
Erin Alcazar wrote 35 prescriptions for Alendronate Sodium, about 71% as often as the typical Illinois prescriber of it (49). Medicare paid $6.71 per fill, versus $8.38 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
Azithromycin is used to treat a wide variety of bacterial infections.
Compared with Illinois prescribers
Erin Alcazar wrote 35 prescriptions for Azithromycin, about as often as the typical Illinois prescriber of it (34). Medicare paid $2.96 per fill, versus $5.14 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
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 Illinois prescribers
Erin Alcazar wrote 34 prescriptions for Famotidine, about 63% as often as the typical Illinois prescriber of it (54). Medicare paid $24.19 per fill, versus $12.03 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
Montelukast is used to control and prevent symptoms caused by asthma (such as wheezing and shortness of breath).
Compared with Illinois prescribers
Erin Alcazar wrote 31 prescriptions for Montelukast Sodium, about half as often as the typical Illinois prescriber of it (59). Medicare paid $4.14 per fill, versus $10.66 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
Levothyroxine is used to treat an underactive thyroid (hypothyroidism).
Compared with Illinois prescribers
Erin Alcazar wrote 30 prescriptions for Levothyroxine Sodium, about 19% as often as the typical Illinois prescriber of it (156). Medicare paid $4.25 per fill, versus $10.46 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
See also Warning section.
Compared with Illinois prescribers
Erin Alcazar wrote 29 prescriptions for Naproxen, about as often as the typical Illinois prescriber of it (26). Medicare paid $9.60 per fill, versus $10.65 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
Cyclobenzaprine is used short-term to treat muscle spasms.
Compared with Illinois prescribers
Erin Alcazar wrote 28 prescriptions for Cyclobenzaprine Hcl, about 80% as often as the typical Illinois prescriber of it (35). Medicare paid $17.50 per fill, versus $8.56 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
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 Illinois prescribers
Erin Alcazar wrote 28 prescriptions for Fluticasone Propionate, about half as often as the typical Illinois prescriber of it (49). Medicare paid $16.73 per fill, versus $14.22 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
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 Illinois prescribers
Erin Alcazar wrote 28 prescriptions for Symbicort, about 1.2 times as often as the typical Illinois prescriber of it (24). Medicare paid $334.88 per fill, versus $315.56 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 combination medication is used to relieve moderate to severe pain.
Compared with Illinois prescribers
Erin Alcazar wrote 27 prescriptions for Hydrocodone-Acetaminophen, about 38% as often as the typical Illinois prescriber of it (71). Medicare paid $41.72 per fill, versus $20.03 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
Semaglutide is used with a proper diet and exercise program to control high blood sugar in people with type 2 diabetes.
Compared with Illinois prescribers
Erin Alcazar wrote 26 prescriptions for Ozempic, about half as often as the typical Illinois prescriber of it (55). Medicare paid $1,186.31 per fill, versus $1,303.69 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 medication is used to treat pain caused by nerve damage due to diabetes, shingles (herpes zoster) infection, or spinal cord injury.
Compared with Illinois prescribers
Erin Alcazar wrote 26 prescriptions for Pregabalin, about 64% as often as the typical Illinois prescriber of it (41). Medicare paid $10.92 per fill, versus $32.81 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
This medication is used to treat depression.
Compared with Illinois prescribers
Erin Alcazar wrote 25 prescriptions for Trazodone Hcl, about 39% as often as the typical Illinois prescriber of it (63). Medicare paid $4.10 per fill, versus $8.47 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
Glipizide is used with a proper diet and exercise program to control high blood sugar in people with type 2 diabetes.
Compared with Illinois prescribers
Erin Alcazar wrote 24 prescriptions for Glipizide, about half as often as the typical Illinois prescriber of it (41). Medicare paid $9.99 per fill, versus $8.97 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
Hydralazine is used with or without other medications to treat high blood pressure.
Compared with Illinois prescribers
Erin Alcazar wrote 24 prescriptions for Hydralazine Hcl, about half as often as the typical Illinois prescriber of it (43). Medicare paid $4.42 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
Meloxicam is used to treat arthritis.
Compared with Illinois prescribers
Erin Alcazar wrote 24 prescriptions for Meloxicam, about half as often as the typical Illinois prescriber of it (53). Medicare paid $2.58 per fill, versus $4.12 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
Carvedilol is used to treat high blood pressure and heart failure.
Compared with Illinois prescribers
Erin Alcazar wrote 23 prescriptions for Carvedilol, about 33% as often as the typical Illinois prescriber of it (70). Medicare paid $4.46 per fill, versus $8.63 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
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 Illinois prescribers
Erin Alcazar wrote 23 prescriptions for Sertraline Hcl, about 33% as often as the typical Illinois prescriber of it (69). Medicare paid $10.82 per fill, versus $8.82 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
See also Warning section.
Compared with Illinois prescribers
Erin Alcazar wrote 23 prescriptions for Tramadol Hcl, about 40% as often as the typical Illinois prescriber of it (57). Medicare paid $7.62 per fill, versus $5.65 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
Allopurinol is used to treat gout and certain types of kidney stones.
Compared with Illinois prescribers
Erin Alcazar wrote 22 prescriptions for Allopurinol, about 39% as often as the typical Illinois prescriber of it (56). Medicare paid $4.08 per fill, versus $9.73 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 certain mental/mood disorders (such as depression, anxiety).
Compared with Illinois prescribers
Erin Alcazar wrote 22 prescriptions for Duloxetine Hcl, about 42% as often as the typical Illinois prescriber of it (53). Medicare paid $23.68 per fill, versus $21.99 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 Illinois prescribers
Erin Alcazar wrote 22 prescriptions for Losartan-Hydrochlorothiazide, about 64% as often as the typical Illinois prescriber of it (34). Medicare paid $6.29 per fill, versus $12.48 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 an antibiotic used to treat bladder infections (acute cystitis).
Compared with Illinois prescribers
Erin Alcazar wrote 21 prescriptions for Nitrofurantoin Mono-Macro, about 82% as often as the typical Illinois prescriber of it (26). Medicare paid $9.72 per fill, versus $14.38 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
Donepezil is used to treat confusion (dementia) related to Alzheimer's disease.
Compared with Illinois prescribers
Erin Alcazar wrote 19 prescriptions for Donepezil Hcl, about 28% as often as the typical Illinois prescriber of it (67). Medicare paid $3.51 per fill, versus $11.52 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
Baclofen is used to treat muscle spasms caused by certain conditions (such as multiple sclerosis, spinal cord injury/disease).
Compared with Illinois prescribers
Erin Alcazar wrote 18 prescriptions for Baclofen, about half as often as the typical Illinois prescriber of it (39). Medicare paid $11.24 per fill, versus $18.38 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 medication is used to treat certain bladder problems (overactive bladder, neurogenic detrusor overactivity).
Compared with Illinois prescribers
Erin Alcazar wrote 18 prescriptions for Myrbetriq, about 40% as often as the typical Illinois prescriber of it (46). Medicare paid $533.29 per fill, versus $618.16 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
Hydroxyzine is used to treat itching caused by allergies.
Compared with Illinois prescribers
Erin Alcazar wrote 17 prescriptions for Hydroxyzine Hcl, about half as often as the typical Illinois prescriber of it (33). Medicare paid $26.62 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
Ibuprofen is used to relieve pain from various conditions such as headache, dental pain, menstrual cramps, muscle aches, or arthritis.
Compared with Illinois prescribers
Erin Alcazar wrote 17 prescriptions for Ibuprofen, about half as often as the typical Illinois prescriber of it (33). Medicare paid $21.93 per fill, versus $6.01 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
Methocarbamol is used to treat muscle spasms/pain.
Compared with Illinois prescribers
Erin Alcazar wrote 17 prescriptions for Methocarbamol, about 69% as often as the typical Illinois prescriber of it (25). Medicare paid $25.84 per fill, versus $10.82 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 depression.
Compared with Illinois prescribers
Erin Alcazar wrote 17 prescriptions for Mirtazapine, about 32% as often as the typical Illinois prescriber of it (53). Medicare paid $23.27 per fill, versus $18.12 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
This medication is used to treat depression.
Compared with Illinois prescribers
Erin Alcazar wrote 16 prescriptions for Amitriptyline Hcl, about half as often as the typical Illinois prescriber of it (27). Medicare paid $21.87 per fill, versus $14.92 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
This product is used to control and prevent symptoms (such as wheezing and shortness of breath) caused by ongoing lung disease (chronic obstructive pulmonary disease-COPD, which includes chronic bronchitis and emphysema).
Compared with Illinois prescribers
Erin Alcazar wrote 16 prescriptions for Breztri Aerosphere, about 40% as often as the typical Illinois prescriber of it (40). Medicare paid $654.27 per fill, versus $764.04 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 medication is used to treat certain mental/mood disorders (such as depression, anxiety).
Compared with Illinois prescribers
Erin Alcazar wrote 16 prescriptions for Escitalopram Oxalate, about 27% as often as the typical Illinois prescriber of it (60). Medicare paid $5.87 per fill, versus $12.18 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
Insulin glargine is used with a proper diet and exercise program to control high blood sugar in people with diabetes.
Compared with Illinois prescribers
Erin Alcazar wrote 16 prescriptions for Lantus Solostar, about 37% as often as the typical Illinois prescriber of it (43). Medicare paid $81.39 per fill, versus $130.05 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
Alprazolam is used to treat anxiety and panic disorders.
Compared with Illinois prescribers
Erin Alcazar wrote 15 prescriptions for Alprazolam, about 23% as often as the typical Illinois prescriber of it (65). Medicare paid $4.57 per fill, versus $6.66 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 medication is used to treat anxiety.
Compared with Illinois prescribers
Erin Alcazar wrote 15 prescriptions for Buspirone Hcl, about 32% as often as the typical Illinois prescriber of it (47). Medicare paid $12.02 per fill, versus $13.10 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 a mineral supplement used to treat or prevent low amounts of potassium in the blood.
Compared with Illinois prescribers
Erin Alcazar wrote 15 prescriptions for Potassium Chloride, about 21% as often as the typical Illinois prescriber of it (70). Medicare paid $6.21 per fill, versus $20.43 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
Spironolactone is used to treat high blood pressure and heart failure.
Compared with Illinois prescribers
Erin Alcazar wrote 15 prescriptions for Spironolactone, about 29% as often as the typical Illinois prescriber of it (52). Medicare paid $8.23 per fill, versus $8.46 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 used to treat high blood pressure.
Compared with Illinois prescribers
Erin Alcazar wrote 14 prescriptions for Lisinopril-Hydrochlorothiazide, about 37% as often as the typical Illinois prescriber of it (38). Medicare paid $4.31 per fill, versus $7.94 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
Valacyclovir is used to treat infections caused by certain types of viruses.
Compared with Illinois prescribers
Erin Alcazar wrote 14 prescriptions for Valacyclovir, about 66% as often as the typical Illinois prescriber of it (21). Medicare paid $28.43 per fill, versus $28.51 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
Insulin glargine is used with a proper diet and exercise program to control high blood sugar in people with diabetes.
Compared with Illinois prescribers
Erin Alcazar wrote 13 prescriptions for Basaglar Kwikpen U-100, about half as often as the typical Illinois prescriber of it (31). Medicare paid $335.77 per fill, versus $372.34 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
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 Illinois prescribers
Erin Alcazar wrote 13 prescriptions for Clopidogrel, about 21% as often as the typical Illinois prescriber of it (62). Medicare paid $17.25 per fill, versus $11.09 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 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 Illinois prescribers
Erin Alcazar wrote 13 prescriptions for Paroxetine Hcl, about half as often as the typical Illinois prescriber of it (28). Medicare paid $18.00 per fill, versus $11.98 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
Tamsulosin is used by men to treat the symptoms of an enlarged prostate (benign prostatic hyperplasia-BPH).
Compared with Illinois prescribers
Erin Alcazar wrote 13 prescriptions for Tamsulosin Hcl, about 14% as often as the typical Illinois prescriber of it (94). Medicare paid $7.31 per fill, versus $14.59 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
Dulaglutide is used with a proper diet and exercise program to control high blood sugar in people with type 2 diabetes.
Compared with Illinois prescribers
Erin Alcazar wrote 13 prescriptions for Trulicity, about 35% as often as the typical Illinois prescriber of it (38). Medicare paid $1,465.83 per fill, versus $1,245.08 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
Lamotrigine is used alone or with other medications to prevent and control seizures.
Compared with Illinois prescribers
Erin Alcazar wrote 12 prescriptions for Lamotrigine, about 24% as often as the typical Illinois prescriber of it (50). Medicare paid $47.07 per fill, versus $12.11 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
See also Warning section.
Compared with Illinois prescribers
Erin Alcazar wrote 12 prescriptions for Linzess, about 39% as often as the typical Illinois prescriber of it (31). Medicare paid $1,024.87 per fill, versus $787.88 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
Semaglutide is used with a proper diet and exercise program to control high blood sugar in people with type 2 diabetes.
Compared with Illinois prescribers
Erin Alcazar wrote 12 prescriptions for Rybelsus, about half as often as the typical Illinois prescriber of it (25). Medicare paid $999.31 per fill, versus $1,501.33 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
Clindamycin is used to treat a wide variety of bacterial infections.
Compared with Illinois prescribers
Erin Alcazar wrote 11 prescriptions for Clindamycin Hcl, about half as often as the typical Illinois prescriber of it (22). Medicare paid $8.03 per fill, versus $5.49 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 the same as your body's own glucagon, a natural substance that raises blood sugar by causing the body to release sugar stored in the liver.
Compared with Illinois prescribers
Erin Alcazar wrote 11 prescriptions for Gvoke Hypopen 1-Pack, about half as often as the typical Illinois prescriber of it (19). Medicare paid $656.60 per fill, versus $368.55 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
Questions about Erin Alcazar’s prescriptions
What does Erin Alcazar prescribe most?
In 2024 Medicare Part D data, Erin Alcazar's most prescribed medications were Atorvastatin Calcium (257), Amlodipine Besylate (193) and Albuterol Sulfate Hfa (144).
How does Erin Alcazar's prescribing compare with other Illinois prescribers?
Of the 69 medications with a state comparison, Erin Alcazar prescribes 7 more often than the typical Illinois prescriber, 7 about as often and 55 less often. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Erin Alcazar 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 Illinois 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.
