James L. Chen, M.D., M.P.H.
Orthopaedic Surgery, Sports Medicine (M.D., M.P.H.) in San Francisco, California, trained at University of California, Davis School of Medicine (class of 2006). 220 Medicare patients in 2024, $76,993 paid; nearly all of their 315 Part D prescriptions were generic (97%). Arthrex, Inc. was the largest of 3 companies reporting payments in 2025, $666.19 in all, mostly consulting fees. A record with the same name and state is on the OIG exclusion list; it carries no NPI, so check it before acting.
Overview
| NPI | 1306040548 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D., M.P.H. |
| Sole proprietor | No |
| NPI issued | Jun 12, 2007 |
| Last updated in NPPES | Apr 10, 2025 |
| Certified by provider | Apr 10, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery, Sports Medicine Primary | 207XX0005X | A102032 | CA |
Exclusion screening
Possible match: verify before acting. The OIG list has a record with the same name in California, but that record carries no NPI, so it may be a different person or business.
| Matched by | Name on OIG list | Exclusion type | Excluded since | Location |
|---|---|---|---|---|
| Name + state | James Shan Chen · Pharmacy | 1128a3 | May 20, 2021 | Herlong, CA |
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | Possible (name) | See above |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Orthopedic Surgery (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 220 |
|---|---|
| Services billed | 970 across 45 procedure codes |
| Paid by Medicare | $76,993 |
Part D prescriptions in 2024
| Prescriptions (claims) | 315 · 397 30-day fills |
|---|---|
| Patients | 137 |
| Total drug cost | $25,610 |
| Generic share | 97% of claims |
Education and affiliations
| Medical school | University of California, Davis School of Medicine |
|---|---|
| Graduation year | 2006 |
| Medicare specialty | Orthopedic Surgery |
| Secondary specialties | Sports Medicine |
Hospital affiliations
- California Pacific Medical Center- Van Ness CampusSan Francisco, CA
- UCSF Health Saint Francis HospitalSan Francisco, CA
Other facilities
- Health Link Home Health AgencyHome health agency · San Francisco, CA
Industry payments (Open Payments)
- 2025$666.19 · 3 payments from 3 companies
- 2024$2,793 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Arthrex, Inc. | $500.00 | 1 |
| Medical Device Business Services, Inc. | $128.40 | 1 |
| Orthofix Medical, Inc. | $37.79 | 1 |
What the 2025 payments were for
- Consulting Fee$500.00 · 1 payment
- Food and Beverage$166.19 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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