Roger Ching-Feng Yang, M.D.
NPI 1295849883ActiveIndividual· Emergency Medicine· Pasadena, CA
Emergency Medicine (M.D.) in Pasadena, California, trained at Yale University School of Medicine (class of 1996). 481 Medicare patients in 2024, $58,707 paid; nearly all of their 160 Part D prescriptions were generic (93%). Vertex Pharmaceuticals Incorporated was the largest of 5 companies reporting payments in 2025, $937.68 in all, mostly food and beverage.
Overview
| NPI | 1295849883 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Aug 19, 2006 |
| Last updated in NPPES | Jun 5, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | A64345 | 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 - Emergency Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 481 |
|---|---|
| Services billed | 870 across 32 procedure codes |
| Paid by Medicare | $58,707 |
Part D prescriptions in 2024
| Prescriptions (claims) | 160 · 161 30-day fills |
|---|---|
| Patients | 122 |
| Total drug cost | $2,732 |
| Generic share | 93% of claims |
Education and affiliations
| Medical school | Yale University School of Medicine |
|---|---|
| Graduation year | 1996 |
| Medicare specialty | Emergency Medicine |
Medical groups
- Exer Medical CorporationHighland, CA · 340 clinicians
- Hmh Emergency Medical Group, Inc.Pasadena, CA · 60 clinicians
Hospital affiliation
- Huntington HospitalPasadena, CA
Industry payments (Open Payments)
- 2025$937.68 · 7 payments from 5 companies
- 2024$5,330 · 19 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Vertex Pharmaceuticals Incorporated | $422.94 | 3 |
| Gilead Sciences, Inc. | $146.19 | 1 |
| Haemonetics Corporation | $124.34 | 1 |
| Zoll Services LLC (A/K/A Zoll Lifecor Corp) | $123.09 | 1 |
| La Jolla Pharmaceutical Company | $121.12 | 1 |
What the 2025 payments were for
- Food and Beverage$937.68 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 57 emergency medicine physicians in Pasadena · All emergency medicine physicians in California