HUGO YANG MD
Prescription History 1053428821
Internal Medicine in Palo Alto, CA
What does Dr. Yang prescribe?
In 2024, Dr. Yang wrote 1,235 Medicare prescriptions for 40 medications. The most prescribed was Atorvastatin Calcium, with 180 prescriptions for 50 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. Yang prescribes.
Medications 40 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. Yang wrote 180 prescriptions for Atorvastatin Calcium, about 89% as often as the typical California prescriber of it (202). Medicare paid $8.99 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. Yang wrote 86 prescriptions for Amlodipine Besylate, about 61% as often as the typical California prescriber of it (141). Medicare paid $5.24 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
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. Yang wrote 81 prescriptions for Rosuvastatin Calcium, about 80% as often as the typical California prescriber of it (101). Medicare paid $12.24 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
Tamsulosin is used by men to treat the symptoms of an enlarged prostate (benign prostatic hyperplasia-BPH).
Compared with California prescribers
Dr. Yang wrote 54 prescriptions for Tamsulosin Hcl, about 64% as often as the typical California prescriber of it (84). Medicare paid $17.66 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
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 California prescribers
Dr. Yang wrote 48 prescriptions for Eliquis, about 66% as often as the typical California prescriber of it (73). Medicare paid $1,043.60 per fill, versus $923.33 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
Valsartan is used to treat high blood pressure and heart failure.
Compared with California prescribers
Dr. Yang wrote 48 prescriptions for Valsartan, about 1.2 times as often as the typical California prescriber of it (39). Medicare paid $28.16 per fill, versus $28.57 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat anxiety.
Compared with California prescribers
Dr. Yang wrote 42 prescriptions for Lorazepam, about as often as the typical California prescriber of it (43). Medicare paid $5.21 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
Levothyroxine is used to treat an underactive thyroid (hypothyroidism).
Compared with California prescribers
Dr. Yang wrote 40 prescriptions for Levothyroxine Sodium, about 32% as often as the typical California prescriber of it (125). Medicare paid $16.52 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 certain mental/mood disorders (such as depression, anxiety).
Compared with California prescribers
Dr. Yang wrote 36 prescriptions for Escitalopram Oxalate, about 75% as often as the typical California prescriber of it (48). Medicare paid $17.48 per fill, versus $11.14 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
Zolpidem is used for a short time to treat a certain sleep problem (insomnia) in adults.
Compared with California prescribers
Dr. Yang wrote 31 prescriptions for Zolpidem Tartrate, about 69% as often as the typical California prescriber of it (45). Medicare paid $6.69 per fill, versus $6.02 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
Gabapentin is used with other medications to prevent and control seizures.
Compared with California prescribers
Dr. Yang wrote 30 prescriptions for Gabapentin, about 37% as often as the typical California prescriber of it (80). Medicare paid $17.08 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
Omeprazole is used to treat certain stomach and esophagus problems (such as acid reflux, ulcers).
Compared with California prescribers
Dr. Yang wrote 30 prescriptions for Omeprazole, about 38% as often as the typical California prescriber of it (78). Medicare paid $19.99 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
This medication is used to treat depression.
Compared with California prescribers
Dr. Yang wrote 30 prescriptions for Trazodone Hcl, about half as often as the typical California prescriber of it (57). Medicare paid $10.09 per fill, versus $9.93 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
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. Yang wrote 29 prescriptions for Losartan Potassium, about 24% as often as the typical California prescriber of it (121). Medicare paid $5.14 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
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. Yang wrote 29 prescriptions for Metformin Hcl, about 29% as often as the typical California prescriber of it (100). Medicare paid $7.92 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
Azithromycin is used to treat a wide variety of bacterial infections.
Compared with California prescribers
Dr. Yang wrote 28 prescriptions for Azithromycin, about 73% as often as the typical California prescriber of it (38). Medicare paid $2.92 per fill, versus $4.49 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
Lisinopril is used to treat high blood pressure.
Compared with California prescribers
Dr. Yang wrote 28 prescriptions for Lisinopril, about 29% as often as the typical California prescriber of it (98). Medicare paid $3.24 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. Yang wrote 28 prescriptions for Metoprolol Succinate, about 32% as often as the typical California prescriber of it (86). Medicare paid $11.67 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 wide variety of bacterial infections.
Compared with California prescribers
Dr. Yang wrote 24 prescriptions for Cephalexin, about 81% as often as the typical California prescriber of it (30). Medicare paid $8.51 per fill, versus $7.62 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
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 California prescribers
Dr. Yang wrote 24 prescriptions for Simvastatin, about 38% as often as the typical California prescriber of it (63). Medicare paid $6.11 per fill, versus $9.03 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 treat certain mental/mood disorders (such as depression, anxiety).
Compared with California prescribers
Dr. Yang wrote 23 prescriptions for Duloxetine Hcl, about half as often as the typical California prescriber of it (40). Medicare paid $51.64 per fill, versus $24.72 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is a mineral supplement used to treat or prevent low amounts of potassium in the blood.
Compared with California prescribers
Dr. Yang wrote 20 prescriptions for Potassium Chloride, about half as often as the typical California prescriber of it (48). Medicare paid $22.76 per fill, versus $24.00 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
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. Yang wrote 20 prescriptions for Pravastatin Sodium, about half as often as the typical California prescriber of it (38). Medicare paid $17.79 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
Valacyclovir is used to treat infections caused by certain types of viruses.
Compared with California prescribers
Dr. Yang wrote 20 prescriptions for Valacyclovir, about 90% as often as the typical California prescriber of it (22). Medicare paid $51.76 per fill, versus $35.75 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
This combination of nirmatrelvir and ritonavir is used to treat coronavirus disease (COVID-19) in people who have mild to moderate symptoms and have a high risk for COVID-19 complications.
Compared with California prescribers
Dr. Yang wrote 19 prescriptions for Paxlovid, about 79% as often as the typical California prescriber of it (24). Medicare paid $150.44 per fill, versus $42.82 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 high blood pressure.
Compared with California prescribers
Dr. Yang wrote 18 prescriptions for Hydrochlorothiazide, about 29% as often as the typical California prescriber of it (62). Medicare paid $5.86 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
Ezetimibe is used along with a low cholesterol/low fat diet and exercise to help lower cholesterol in the blood.
Compared with California prescribers
Dr. Yang wrote 17 prescriptions for Ezetimibe, about 33% as often as the typical California prescriber of it (51). Medicare paid $30.23 per fill, versus $26.00 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
Pantoprazole is used to treat certain stomach and esophagus problems (such as acid reflux).
Compared with California prescribers
Dr. Yang wrote 17 prescriptions for Pantoprazole Sodium, about 26% as often as the typical California prescriber of it (65). Medicare paid $30.03 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
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 California prescribers
Dr. Yang wrote 16 prescriptions for Clopidogrel, about 33% as often as the typical California prescriber of it (48). Medicare paid $3.55 per fill, versus $12.42 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
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 California prescribers
Dr. Yang wrote 15 prescriptions for Furosemide, about 23% as often as the typical California prescriber of it (64). Medicare paid $12.67 per fill, versus $6.39 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Prednisone is used to treat conditions such as arthritis, blood disorders, breathing problems, severe allergies, skin diseases, cancer, eye problems, and immune system disorders.
Compared with California prescribers
Dr. Yang wrote 15 prescriptions for Prednisone, about 37% as often as the typical California prescriber of it (40). Medicare paid $3.86 per fill, versus $5.64 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
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 California prescribers
Dr. Yang wrote 15 prescriptions for Wixela Inhub, about half as often as the typical California prescriber of it (27). Medicare paid $244.47 per fill, versus $186.48 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 combination medication is used to relieve moderate to severe pain.
Compared with California prescribers
Dr. Yang wrote 13 prescriptions for Hydrocodone-Acetaminophen, about 17% as often as the typical California prescriber of it (76). Medicare paid $33.86 per fill, versus $21.39 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
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 California prescribers
Dr. Yang wrote 13 prescriptions for Xarelto, about 30% as often as the typical California prescriber of it (43). Medicare paid $1,338.79 per fill, versus $952.66 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
Amoxicillin/clavulanic acid is a combination penicillin-type antibiotic used to treat a wide variety of bacterial infections.
Compared with California prescribers
Dr. Yang wrote 12 prescriptions for Amoxicillin-Clavulanate Potass, about half as often as the typical California prescriber of it (26). Medicare paid $42.47 per fill, versus $9.18 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
Donepezil is used to treat confusion (dementia) related to Alzheimer's disease.
Compared with California prescribers
Dr. Yang wrote 12 prescriptions for Donepezil Hcl, about 21% as often as the typical California prescriber of it (58). Medicare paid $9.41 per fill, versus $12.53 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Fludrocortisone is a man-made form of a natural substance (glucocorticoid) made by the body.
Compared with California prescribers
Dr. Yang wrote 11 prescriptions for Fludrocortisone Acetate, about half as often as the typical California prescriber of it (20). Medicare paid $46.07 per fill, versus $23.88 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 attention deficit hyperactivity disorder - ADHD.
Compared with California prescribers
Dr. Yang wrote 11 prescriptions for Methylphenidate Er (La), about 79% as often as the typical California prescriber of it (14). Medicare paid $91.62 per fill, versus $118.74 statewide.
Volume reflects 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 California prescribers
Dr. Yang wrote 11 prescriptions for Quetiapine Fumarate, about 20% as often as the typical California prescriber of it (55). Medicare paid $26.54 per fill, versus $19.69 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
Levothyroxine is used to treat an underactive thyroid (hypothyroidism).
Compared with California prescribers
Dr. Yang wrote 11 prescriptions for Synthroid, about 29% as often as the typical California prescriber of it (38). Medicare paid $116.47 per fill, versus $74.43 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. Yang’s prescriptions
What does Dr. Yang prescribe most?
In 2024 Medicare Part D data, Dr. Yang's most prescribed medications were Atorvastatin Calcium (180), Amlodipine Besylate (86) and Rosuvastatin Calcium (81).
How does Dr. Yang's prescribing compare with other California prescribers?
Of the 40 medications with a state comparison, Dr. Yang prescribes 9 about as often than the typical California prescriber and 31 less often. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Dr. Yang 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.
