Hongwei Chen, M.D.
NPI 1881879617ActiveIndividual· Internal Medicine· Clovis, CA
Internal Medicine (M.D.) with Permanente Medical Group Inc, practicing in Clovis, California. Their prescriptions cost Medicare Part D more than their services did: $284,135 for 6,421 claims, against $744.50 paid for services in 2024. Vanda Pharmaceuticals Inc. reported $122.83 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1881879617 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Dec 28, 2007 |
| Last updated in NPPES | Dec 14, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A100927 | 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 - Internal Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 13 |
|---|---|
| Services billed | 27 across 8 procedure codes |
| Paid by Medicare | $744.50 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,421 · 14,976 30-day fills |
|---|---|
| Patients | 1,263 |
| Total drug cost | $284,135 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 1991 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Permanente Medical Group IncOakland, CA · 10,996 clinicians
Industry payments (Open Payments)
- 2025$122.83 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Vanda Pharmaceuticals Inc. | $122.83 | 1 |
What the 2025 payments were for
- Food and Beverage$122.83 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 42 internal medicine physicians in Clovis · All internal medicine physicians in California