Sherwin S. Yen, MD
NPI 1720212426ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Austin, TX
Internal Medicine, Endocrinology, Diabetes & Metabolism (MD) in Austin, Texas, trained at Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University (class of 2009). Their prescriptions cost Medicare Part D more than their services did: $2,579,077 for 5,582 claims, against $229,234 paid for services in 2024. Corcept Therapeutics was the largest of 28 companies reporting payments in 2025, $3,613 in all, mostly speaking and faculty fees.
Overview
| NPI | 1720212426 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 8, 2009 |
| Last updated in NPPES | Jan 26, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | Q0597 | TX |
| Student in an Organized Health Care Education/Training Program | 390200000X | 157123 | NC |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Endocrinology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 437 |
|---|---|
| Services billed | 11,370 across 50 procedure codes |
| Paid by Medicare | $229,234 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,582 · 14,259 30-day fills |
|---|---|
| Patients | 661 |
| Total drug cost | $2,579,077 |
| Generic share | 49% of claims |
Education and affiliations
| Medical school | Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University |
|---|---|
| Graduation year | 2009 |
| Medicare specialty | Endocrinology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- The Austin Diagnostic Clinic PLLCCedar Park, TX · 86 clinicians
Hospital affiliations
- North Austin Medical CenterAustin, TX
- St David's Medical CenterAustin, TX
- St David's South Austin Medical CenterAustin, TX
Industry payments (Open Payments)
- 2025$3,613 · 84 payments from 28 companies
- 2024$1,063 · 52 payments from 16 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Corcept Therapeutics | $2,003 | 5 |
| Novo Nordisk Inc | $244.64 | 13 |
| Amgen Inc. | $219.60 | 15 |
| Beta Bionics, Inc. | $101.30 | 4 |
| Sanofi-Aventis U.S. LLC | $93.17 | 4 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$1,820 · 1 payment
- Food and Beverage$1,733 · 77 payments
- Education$60.12 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other endocrinologists in Austin
- 1033301361
- 1114992088
- 1225363153
- 1407388317
- 1437683307
- 1447225495
- 1467741132
- 1548434756
- 1568434694
- 1598964702
- 1649245697
- 1689778946
All 42 endocrinologists in Austin · All endocrinologists in Texas