DR. SAKO CHEN M.D.
Prescription History 1346350105
Internal Medicine - Endocrinology, Diabetes & Metabolism in Burbank, CA
What does Dr. Chen prescribe?
In 2024, Dr. Chen wrote 1,080 Medicare prescriptions for 18 medications. The most prescribed was Levothyroxine Sodium, with 402 prescriptions for 134 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. Chen prescribes.
Medications 18 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
Levothyroxine is used to treat an underactive thyroid (hypothyroidism).
Compared with California prescribers
Dr. Chen wrote 402 prescriptions for Levothyroxine Sodium, about 3.2 times as often as the typical California prescriber of it (125). Medicare paid $18.69 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
Methimazole is used to treat overactive thyroid (hyperthyroidism).
Compared with California prescribers
Dr. Chen wrote 267 prescriptions for Methimazole, about 6.7 times as often as the typical California prescriber of it (40). Medicare paid $17.48 per fill, versus $12.61 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. Chen wrote 75 prescriptions for Hydrocortisone, about 2.6 times as often as the typical California prescriber of it (29). Medicare paid $52.16 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
Cinacalcet is used to treat increased amounts of a certain hormone (parathyroid) in people with long-term kidney disease who are on dialysis.
Compared with California prescribers
Dr. Chen wrote 58 prescriptions for Cinacalcet Hcl, about 2.2 times as often as the typical California prescriber of it (27). Medicare paid $35.58 per fill, versus $291.15 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 medicated gel contains testosterone.
Compared with California prescribers
Dr. Chen wrote 38 prescriptions for Testosterone, about 1.4 times as often as the typical California prescriber of it (27). Medicare paid $50.39 per fill, versus $144.89 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
Calcitriol is a man-made active form of vitamin D.
Compared with California prescribers
Dr. Chen wrote 37 prescriptions for Calcitriol, about 74% as often as the typical California prescriber of it (50). Medicare paid $45.02 per fill, versus $19.76 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
Alendronate is used to prevent and treat certain types of bone loss (osteoporosis) in adults.
Compared with California prescribers
Dr. Chen wrote 28 prescriptions for Alendronate Sodium, about half as often as the typical California prescriber of it (61). Medicare paid $9.80 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
Insulin lispro is used with a proper diet and exercise program to control high blood sugar in people with diabetes.
Compared with California prescribers
Dr. Chen wrote 21 prescriptions for Humalog, about 77% as often as the typical California prescriber of it (27). Medicare paid $342.37 per fill, versus $194.90 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. Chen wrote 20 prescriptions for Rosuvastatin Calcium, about 20% as often as the typical California prescriber of it (101). Medicare paid $11.17 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.
Compared with California prescribers
Dr. Chen wrote 18 prescriptions for Nano 2nd Gen Pen Needle, about half as often as the typical California prescriber of it (33). Medicare paid $33.28 per fill, versus $66.35 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
Semaglutide 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. Chen wrote 18 prescriptions for Ozempic, about 32% as often as the typical California prescriber of it (56). Medicare paid $739.76 per fill, versus $1,102.15 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
Dexamethasone is used to treat conditions such as arthritis, blood/hormone disorders, allergic reactions, skin diseases, eye problems, breathing problems, bowel disorders, cancer, and immune system disorders.
Compared with California prescribers
Dr. Chen wrote 16 prescriptions for Dexamethasone, about half as often as the typical California prescriber of it (35). Medicare paid $5.63 per fill, versus $13.93 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
Desmopressin is used to control the amount of urine your kidneys make.
Compared with California prescribers
Dr. Chen wrote 15 prescriptions for Desmopressin Acetate, about 65% as often as the typical California prescriber of it (23). Medicare paid $28.88 per fill, versus $61.05 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
Spironolactone is used to treat high blood pressure and heart failure.
Compared with California prescribers
Dr. Chen wrote 15 prescriptions for Spironolactone, about 40% as often as the typical California prescriber of it (37). Medicare paid $19.61 per fill, versus $10.05 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
Fludrocortisone is a man-made form of a natural substance (glucocorticoid) made by the body.
Compared with California prescribers
Dr. Chen wrote 14 prescriptions for Fludrocortisone Acetate, about 70% as often as the typical California prescriber of it (20). Medicare paid $58.49 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 in men who do not make enough of a natural substance called testosterone.
Compared with California prescribers
Dr. Chen wrote 14 prescriptions for Testosterone Cypionate, about half as often as the typical California prescriber of it (28). Medicare paid $60.35 per fill, versus $39.53 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
This medication is used to treat high levels of prolactin hormone in your body.
Compared with California prescribers
Dr. Chen wrote 12 prescriptions for Cabergoline, about half as often as the typical California prescriber of it (20). Medicare paid $15.07 per fill, versus $66.17 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
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. Chen wrote 12 prescriptions for Metformin Hcl Er, about 22% as often as the typical California prescriber of it (55). Medicare paid $7.62 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.
Questions about Dr. Chen’s prescriptions
What does Dr. Chen prescribe most?
In 2024 Medicare Part D data, Dr. Chen's most prescribed medications were Levothyroxine Sodium (402), Methimazole (267) and Hydrocortisone (75).
How does Dr. Chen's prescribing compare with other California prescribers?
Of the 18 medications with a state comparison, Dr. Chen prescribes 5 more often than the typical California prescriber, 1 about as often and 12 less often. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Dr. Chen 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.