LYDIA CHE LEUNG M.D.
Prescription History 1982930939
Family Medicine in San Francisco, CA
What does Dr. Leung prescribe?
In 2024, Dr. Leung wrote 939 Medicare prescriptions for 32 medications. The most prescribed was Atorvastatin Calcium, with 76 prescriptions for 28 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. Leung prescribes.
Medications 32 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. Leung wrote 76 prescriptions for Atorvastatin Calcium, about 38% as often as the typical California prescriber of it (202). Medicare paid $4.82 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
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. Leung wrote 70 prescriptions for Metformin Hcl, about 70% as often as the typical California prescriber of it (100). Medicare paid $6.56 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
Benazepril is used to treat high blood pressure (hypertension).
Compared with California prescribers
Dr. Leung wrote 66 prescriptions for Benazepril Hcl, about 1.9 times as often as the typical California prescriber of it (35). Medicare paid $6.22 per fill, versus $11.17 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
Amlodipine is used with or without other medications to treat high blood pressure.
Compared with California prescribers
Dr. Leung wrote 60 prescriptions for Amlodipine Besylate, about half as often as the typical California prescriber of it (141). Medicare paid $2.89 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
This medication is used to treat high blood pressure.
Compared with California prescribers
Dr. Leung wrote 52 prescriptions for Hydrochlorothiazide, about 84% as often as the typical California prescriber of it (62). Medicare paid $2.82 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
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 California prescribers
Dr. Leung wrote 46 prescriptions for Pravastatin Sodium, about 1.2 times as often as the typical California prescriber of it (38). Medicare paid $12.34 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
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. Leung wrote 44 prescriptions for Losartan Potassium, about 36% as often as the typical California prescriber of it (121). Medicare paid $5.05 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
Pantoprazole is used to treat certain stomach and esophagus problems (such as acid reflux).
Compared with California prescribers
Dr. Leung wrote 42 prescriptions for Pantoprazole Sodium, about 65% as often as the typical California prescriber of it (65). Medicare paid $16.40 per fill, versus $13.87 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
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. Leung wrote 37 prescriptions for Fluticasone Propionate, about 74% as often as the typical California prescriber of it (50). Medicare paid $6.89 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
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. Leung wrote 36 prescriptions for Famotidine, about 67% as often as the typical California prescriber of it (54). Medicare paid $10.33 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 a beta-blocker used to treat chest pain (angina), heart failure, and high blood pressure.
Compared with California prescribers
Dr. Leung wrote 36 prescriptions for Metoprolol Succinate, about 42% as often as the typical California prescriber of it (86). Medicare paid $13.11 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
Gabapentin is used with other medications to prevent and control seizures.
Compared with California prescribers
Dr. Leung wrote 34 prescriptions for Gabapentin, about half as often as the typical California prescriber of it (80). Medicare paid $20.35 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
Levothyroxine is used to treat an underactive thyroid (hypothyroidism).
Compared with California prescribers
Dr. Leung wrote 29 prescriptions for Levothyroxine Sodium, about 23% as often as the typical California prescriber of it (125). Medicare paid $8.68 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
This medication is used to treat a variety of skin conditions (such as eczema, dermatitis, allergies, rash).
Compared with California prescribers
Dr. Leung wrote 26 prescriptions for Triamcinolone Acetonide, about 61% as often as the typical California prescriber of it (43). Medicare paid $5.13 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
This medication is used to help relieve severe ongoing pain (such as due to cancer).
Compared with California prescribers
Dr. Leung wrote 24 prescriptions for Morphine Sulfate Er, about 62% as often as the typical California prescriber of it (39). Medicare paid $37.87 per fill, versus $33.95 statewide.
Volume reflects 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. Leung wrote 24 prescriptions for Tamsulosin Hcl, about 28% as often as the typical California prescriber of it (84). Medicare paid $14.34 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
See also Warning section.
Compared with California prescribers
Dr. Leung wrote 23 prescriptions for Diclofenac Sodium, about half as often as the typical California prescriber of it (47). Medicare paid $21.08 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
Finasteride is used to shrink an enlarged prostate (benign prostatic hyperplasia or BPH) in adult men.
Compared with California prescribers
Dr. Leung wrote 22 prescriptions for Finasteride, about 39% as often as the typical California prescriber of it (56). Medicare paid $7.07 per fill, versus $13.71 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 depression.
Compared with California prescribers
Dr. Leung wrote 21 prescriptions for Mirtazapine, about half as often as the typical California prescriber of it (40). Medicare paid $11.87 per fill, versus $19.05 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
Lisinopril is used to treat high blood pressure.
Compared with California prescribers
Dr. Leung wrote 19 prescriptions for Lisinopril, about 19% as often as the typical California prescriber of it (98). Medicare paid $8.62 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
Alendronate is used to prevent and treat certain types of bone loss (osteoporosis) in adults.
Compared with California prescribers
Dr. Leung wrote 14 prescriptions for Alendronate Sodium, about 23% as often as the typical California prescriber of it (61). Medicare paid $3.33 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
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. Leung wrote 14 prescriptions for Ibuprofen, about 33% as often as the typical California prescriber of it (42). Medicare paid $7.15 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
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. Leung wrote 14 prescriptions for Jardiance, about 24% as often as the typical California prescriber of it (58). Medicare paid $1,013.75 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
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 California prescribers
Dr. Leung wrote 14 prescriptions for Rosuvastatin Calcium, about 14% as often as the typical California prescriber of it (101). Medicare paid $36.14 per fill, versus $15.64 statewide.
Volume reflects 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 California prescribers
Dr. Leung wrote 13 prescriptions for Atenolol, about 26% as often as the typical California prescriber of it (50). Medicare paid $5.65 per fill, versus $9.20 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
Carvedilol is used to treat high blood pressure and heart failure.
Compared with California prescribers
Dr. Leung wrote 13 prescriptions for Carvedilol, about 23% as often as the typical California prescriber of it (56). Medicare paid $2.46 per fill, versus $8.98 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
Glipizide 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. Leung wrote 13 prescriptions for Glipizide, about 26% as often as the typical California prescriber of it (49). Medicare paid $5.86 per fill, versus $10.86 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Insulin glargine is used with a proper diet and exercise program to control high blood sugar in people with diabetes.
Compared with California prescribers
Dr. Leung wrote 12 prescriptions for Basaglar Kwikpen U-100, about 40% as often as the typical California prescriber of it (30). Medicare paid $296.21 per fill, versus $331.31 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
This product is used to help reduce itching and pain from certain skin conditions (such as scrapes, minor skin irritations, insect bites).
Compared with California prescribers
Dr. Leung wrote 12 prescriptions for Lidocaine, about 32% as often as the typical California prescriber of it (38). Medicare paid $179.33 per fill, versus $98.50 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
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. Leung wrote 11 prescriptions for Albuterol Sulfate Hfa, about 19% as often as the typical California prescriber of it (58). Medicare paid $33.94 per fill, versus $28.70 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 anxiety.
Compared with California prescribers
Dr. Leung wrote 11 prescriptions for Lorazepam, about 26% as often as the typical California prescriber of it (43). Medicare paid $5.56 per fill, versus $6.52 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 severe ongoing pain (such as due to cancer).
Compared with California prescribers
Dr. Leung wrote 11 prescriptions for Methadone Hcl, about 37% as often as the typical California prescriber of it (30). Medicare paid $21.14 per fill, versus $20.07 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. Leung’s prescriptions
What does Dr. Leung prescribe most?
In 2024 Medicare Part D data, Dr. Leung's most prescribed medications were Atorvastatin Calcium (76), Metformin Hcl (70) and Benazepril Hcl (66).
How does Dr. Leung's prescribing compare with other California prescribers?
Of the 32 medications with a state comparison, Dr. Leung prescribes 1 more often than the typical California prescriber, 2 about as often and 29 less often. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Dr. Leung 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.
