Donald Y. Chen, MD
NPI 1497822381ActiveIndividual· Internal Medicine· Bellflower, CA
Internal Medicine (MD) in Bellflower, California, trained at Tulane University School of Medicine (class of 1993). Their prescriptions cost Medicare Part D more than their services did: $392,285 for 8,318 claims, against $1,023 paid for services in 2024.
Overview
| NPI | 1497822381 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Nov 29, 2006 |
| Last updated in NPPES | Nov 29, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A54160 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 11 |
|---|---|
| Services billed | 19 across 7 procedure codes |
| Paid by Medicare | $1,023 |
Part D prescriptions in 2024
| Prescriptions (claims) | 8,318 · 22,216 30-day fills |
|---|---|
| Patients | 1,213 |
| Total drug cost | $392,285 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | Tulane University School of Medicine |
|---|---|
| Graduation year | 1993 |
| Medicare specialty | Internal Medicine |
Medical group
- Southern California Permanente Medical GroupRedlands, CA · 11,293 clinicians
Hospital affiliation
- Kaiser Foundation Hospital - DowneyDowney, CA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine providers in Bellflower
- 1073725768
- 1750499877
- 1770148918
- 1003968454
- 1730248394
- 1801967724
- 1053463414
- 1568533487
- 1922175934
- 1548312853
- 1194892075
- 1972670859