Bryon Weichung Tseng, M.D.
NPI 1205154218ActiveIndividual· Internal Medicine, Rheumatology· Anaheim, CA
Internal Medicine, Rheumatology (M.D.) in Anaheim, California, trained at University of Maryland School of Medicine (class of 2010). Part D covered 2,339 prescriptions written in 2024, 80% of them generic.
Overview
| NPI | 1205154218 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | May 14, 2010 |
| Last updated in NPPES | Nov 4, 2021 |
| Certified by provider | Nov 4, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Rheumatology Primary | 207RR0500X | A124716 | CA |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 - Rheumatology (CA) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 2,339 · 5,542 30-day fills |
|---|---|
| Patients | 516 |
| Total drug cost | $1,201,533 |
| Generic share | 80% of claims |
Education and affiliations
| Medical school | University of Maryland School of Medicine |
|---|---|
| Graduation year | 2010 |
| Medicare specialty | Rheumatology |
Medical group
- Southern California Permanente Medical GroupRedlands, CA · 11,293 clinicians
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other rheumatologists in Anaheim
- 1235227760
- 1497015192
- 1013122605
- 1427125442
- 1457582488
- 1558991596
- 1770654683
- 1043417447
- 1255489076