James Francis Chan, M.D.
NPI 1033437231ActiveIndividual· Hospitalist· Antioch, CA
Hospitalist (M.D.) with Permanente Medical Group Inc, practicing in Antioch, California. Their prescriptions cost Medicare Part D more than their services did: $123,237 for 1,230 claims, against $3,949 paid for services in 2024. Depuy Synthes Sales Inc. reported $144.06 in payments in 2025, mostly food and beverage. Lists Kaiser Foundation Hospital - Antioch as a hospital affiliation.
Overview
| NPI | 1033437231 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 12, 2010 |
| Last updated in NPPES | Dec 15, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Hospitalist Primary | 208M00000X | A126160 | 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 | 28 |
|---|---|
| Services billed | 50 across 8 procedure codes |
| Paid by Medicare | $3,949 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,230 · 2,879 30-day fills |
|---|---|
| Patients | 237 |
| Total drug cost | $123,237 |
| Generic share | 84% of claims |
Education and affiliations
| Graduation year | 2008 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical group
- Permanente Medical Group IncOakland, CA · 10,996 clinicians
Hospital affiliation
- Kaiser Foundation Hospital - AntiochAntioch, CA
Industry payments (Open Payments)
- 2025$144.06 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Depuy Synthes Sales Inc. | $144.06 | 1 |
What the 2025 payments were for
- Food and Beverage$144.06 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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