Mark M. Williams, MD
NPI 1295760601ActiveIndividual· Orthopaedic Surgery· Fresno, CA
Orthopaedic Surgery (MD) in Fresno, California, licensed in CA, with an NPI issued in July 2006. 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 | 1295760601 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 12, 2006 |
| Last updated in NPPES | Feb 26, 2026 |
| Certified by provider | Feb 26, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery Primary | 207X00000X | G73670 | CA |
| Orthopaedic Surgery, Sports Medicine | 207XX0005X | G73670 | 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 | Mark Steven Williams · Anesthesiology | 1128b4 | Dec 20, 1999 | Menlo Park, CA |
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | Possible (name) | See above |
| 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) | Not in the public enrollment file of Oct 1, 2026 |
|---|
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other orthopedic surgeons in Fresno
- 1003347840
- 1033183140
- 1053595280
- 1063403442
- 1134515406
- 1326427444
- 1326591041
- 1437444759
- 1447695705
- 1467568550
- 1548588239
- 1568872018
All 55 orthopedic surgeons in Fresno · All orthopedic surgeons in California