Stephanie Yan, MD
NPI 1013379841ActiveIndividual· Internal Medicine, Gastroenterology· Oakland, CA
Internal Medicine, Gastroenterology (MD) in Oakland, California, trained at Georgetown University School of Medicine (class of 2016). Their prescriptions cost Medicare Part D more than their services did: $51,923 for 293 claims, against $3,815 paid for services in 2024.
Overview
| NPI | 1013379841 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Mar 22, 2016 |
| Last updated in NPPES | Sep 14, 2022 |
| Certified by provider | Sep 13, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | A151560 | CA |
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 - Gastroenterology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 21 |
|---|---|
| Services billed | 29 across 13 procedure codes |
| Paid by Medicare | $3,815 |
Part D prescriptions in 2024
| Prescriptions (claims) | 293 · 584 30-day fills |
|---|---|
| Patients | 137 |
| Total drug cost | $51,923 |
| Generic share | 92% of claims |
Education and affiliations
| Medical school | Georgetown University School of Medicine |
|---|---|
| Graduation year | 2016 |
| Medicare specialty | Gastroenterology |
| Telehealth | Offers telehealth |
Medical group
- Permanente Medical Group IncOakland, CA · 10,996 clinicians
Hospital affiliation
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other gastroenterologists in Oakland
- 1003234501
- 1205161130
- 1225058159
- 1225095763
- 1396109914
- 1427006006
- 1790743359
- 1851311104
- 1912439266
- 1942598396
- 1104142025
- 1235197898
All 30 gastroenterologists in Oakland · All gastroenterologists in California