AUGUSTINE NGUYEN DO
Prescription History 1366063612
Family Medicine in San Francisco, CA
What does Dr. Nguyen prescribe?
In 2024, Dr. Nguyen wrote 570 Medicare prescriptions for 25 medications. The most prescribed was Atorvastatin Calcium, with 110 prescriptions for 49 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. Nguyen prescribes.
Medications 25 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 California 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 California prescribers
Dr. Nguyen wrote 110 prescriptions for Atorvastatin Calcium, about half as often as the typical California prescriber of it (202). Medicare paid $7.29 per fill, versus $10.47 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
Amlodipine is used with or without other medications to treat high blood pressure.
Compared with California prescribers
Dr. Nguyen wrote 53 prescriptions for Amlodipine Besylate, about 37% as often as the typical California prescriber of it (141). Medicare paid $3.71 per fill, versus $7.08 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
Losartan is used to treat high blood pressure (hypertension) and to help protect the kidneys from damage due to diabetes.
Compared with California prescribers
Dr. Nguyen wrote 38 prescriptions for Losartan Potassium, about 31% as often as the typical California prescriber of it (121). Medicare paid $6.78 per fill, versus $10.35 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
Omeprazole is used to treat certain stomach and esophagus problems (such as acid reflux, ulcers).
Compared with California prescribers
Dr. Nguyen wrote 26 prescriptions for Omeprazole, about 33% as often as the typical California prescriber of it (78). Medicare paid $10.98 per fill, versus $11.26 statewide.
Volume reflects 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 California prescribers
Dr. Nguyen wrote 26 prescriptions for Tamsulosin Hcl, about 31% as often as the typical California prescriber of it (84). Medicare paid $13.33 per fill, versus $15.02 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
Ibuprofen is used to relieve pain from various conditions such as headache, dental pain, menstrual cramps, muscle aches, or arthritis.
Compared with California prescribers
Dr. Nguyen wrote 25 prescriptions for Ibuprofen, about half as often as the typical California prescriber of it (42). Medicare paid $3.57 per fill, versus $6.71 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
Metformin is used with a proper diet and exercise program and possibly with other medications to control high blood sugar.
Compared with California prescribers
Dr. Nguyen wrote 25 prescriptions for Metformin Hcl, about 25% as often as the typical California prescriber of it (100). Medicare paid $8.73 per fill, versus $9.26 statewide.
Volume reflects 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 California prescribers
Dr. Nguyen wrote 22 prescriptions for Lisinopril, about 23% as often as the typical California prescriber of it (98). Medicare paid $3.68 per fill, versus $8.30 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 beta-blocker used to treat chest pain (angina), heart failure, and high blood pressure.
Compared with California prescribers
Dr. Nguyen wrote 19 prescriptions for Metoprolol Succinate, about 22% as often as the typical California prescriber of it (86). Medicare paid $11.45 per fill, versus $14.23 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 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 California prescribers
Dr. Nguyen wrote 18 prescriptions for Hydrocortisone, about 62% as often as the typical California prescriber of it (29). Medicare paid $4.17 per fill, versus $20.54 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
Empagliflozin is used with a proper diet and exercise program to control high blood sugar in people with type 2 diabetes.
Compared with California prescribers
Dr. Nguyen wrote 18 prescriptions for Jardiance, about 31% as often as the typical California prescriber of it (58). Medicare paid $1,442.42 per fill, versus $933.82 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
Alendronate is used to prevent and treat certain types of bone loss (osteoporosis) in adults.
Compared with California prescribers
Dr. Nguyen wrote 17 prescriptions for Alendronate Sodium, about 28% as often as the typical California prescriber of it (61). Medicare paid $6.52 per fill, versus $9.65 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
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 California prescribers
Dr. Nguyen wrote 16 prescriptions for Famotidine, about 30% as often as the typical California prescriber of it (54). Medicare paid $7.01 per fill, versus $12.66 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 high blood pressure.
Compared with California prescribers
Dr. Nguyen wrote 16 prescriptions for Hydrochlorothiazide, about 26% as often as the typical California prescriber of it (62). Medicare paid $2.96 per fill, versus $5.71 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
This medication is used to treat a variety of skin conditions (such as eczema, dermatitis, allergies, rash).
Compared with California prescribers
Dr. Nguyen wrote 16 prescriptions for Triamcinolone Acetonide, about 38% as often as the typical California prescriber of it (43). Medicare paid $5.82 per fill, versus $10.03 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
Levothyroxine is used to treat an underactive thyroid (hypothyroidism).
Compared with California prescribers
Dr. Nguyen wrote 15 prescriptions for Levothyroxine Sodium, about 12% as often as the typical California prescriber of it (125). Medicare paid $10.97 per fill, versus $13.30 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
Allopurinol is used to treat gout and certain types of kidney stones.
Compared with California prescribers
Dr. Nguyen wrote 14 prescriptions for Allopurinol, about 32% as often as the typical California prescriber of it (44). Medicare paid $8.79 per fill, versus $10.39 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
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 California prescribers
Dr. Nguyen wrote 13 prescriptions for Fluticasone Propionate, about 26% as often as the typical California prescriber of it (50). Medicare paid $8.75 per fill, versus $15.10 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
Gabapentin is used with other medications to prevent and control seizures.
Compared with California prescribers
Dr. Nguyen wrote 13 prescriptions for Gabapentin, about 16% as often as the typical California prescriber of it (80). Medicare paid $10.20 per fill, versus $15.63 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
See also Warning section.
Compared with California prescribers
Dr. Nguyen wrote 12 prescriptions for Diclofenac Sodium, about 25% as often as the typical California prescriber of it (47). Medicare paid $13.43 per fill, versus $107.23 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
Meloxicam is used to treat arthritis.
Compared with California prescribers
Dr. Nguyen wrote 12 prescriptions for Meloxicam, about 24% as often as the typical California prescriber of it (50). Medicare paid $3.97 per fill, versus $4.39 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
Metformin is used with a proper diet and exercise program and possibly with other medications to control high blood sugar.
Compared with California prescribers
Dr. Nguyen wrote 12 prescriptions for Metformin Hcl Er, about 22% as often as the typical California prescriber of it (55). Medicare paid $7.90 per fill, versus $9.99 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 vaccine is used by adults to prevent zoster (shingles).
Compared with California prescribers
Dr. Nguyen wrote 12 prescriptions for Shingrix, about 13% as often as the typical California prescriber of it (90). Medicare paid $195.25 per fill, versus $195.76 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 vaccine is used to prevent infection by the respiratory syncytial virus (RSV).
Compared with California prescribers
Dr. Nguyen wrote 11 prescriptions for Abrysvo, about 19% as often as the typical California prescriber of it (59). Medicare paid $283.98 per fill, versus $268.13 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
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 California prescribers
Dr. Nguyen wrote 11 prescriptions for Ventolin Hfa, about 40% as often as the typical California prescriber of it (27). Medicare paid $49.67 per fill, versus $63.95 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. Nguyen’s prescriptions
What does Dr. Nguyen prescribe most?
In 2024 Medicare Part D data, Dr. Nguyen's most prescribed medications were Atorvastatin Calcium (110), Amlodipine Besylate (53) and Losartan Potassium (38).
How does Dr. Nguyen's prescribing compare with other California prescribers?
Of the 25 medications with a state comparison, Dr. Nguyen prescribes 25 less often than the typical California prescriber. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Dr. Nguyen 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 California 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.
