Anthony Chan, M.D.
NPI 1285070235ActiveIndividual· Surgery· Castro Valley, CA
Surgery (M.D.) in Castro Valley, California, trained at University of Toledo College of Medicine (class of 2013). Mostly services rather than prescriptions: Medicare paid $43,083 for 145 patients in 2024, with only 29 Part D claims. Gilead Sciences, Inc. reported $27.37 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1285070235 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 17, 2013 |
| Last updated in NPPES | Mar 9, 2022 |
| Certified by provider | Mar 9, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery Primary | 208600000X | A156682 | CA |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | OH |
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 - General Surgery (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 145 |
|---|---|
| Services billed | 243 across 43 procedure codes |
| Paid by Medicare | $43,083 |
Part D prescriptions in 2024
| Prescriptions (claims) | 29 · 29 30-day fills |
|---|---|
| Patients | 19 |
| Total drug cost | $1,321 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | University of Toledo College of Medicine |
|---|---|
| Graduation year | 2013 |
| Medicare specialty | General Surgery |
Medical group
- Sutter Bay Medical FoundationFremont, CA · 3,829 clinicians
Hospital affiliations
- Alta Bates Summit Medical CenterOakland, CA
- Alta Bates Summit Medical Center - Alta Bates CampBerkeley, CA
- Eden Medical CenterCastro Valley, CA
Industry payments (Open Payments)
- 2025$27.37 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Gilead Sciences, Inc. | $27.37 | 1 |
What the 2025 payments were for
- Food and Beverage$27.37 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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