Joseph Williamson III, PA-C
NPI 1326849407ActiveIndividual· Physician Assistant· Greer, SC
Physician Assistant (PA-C) with Self Medical Group and 1 other group, practicing in Greer, South Carolina. Enrolled in Medicare as practitioner - physician assistant. Lists Self Regional Healthcare as a hospital affiliation.
Overview
| NPI | 1326849407 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Mar 24, 2025 |
| Last updated in NPPES | Jun 10, 2025 |
| Certified by provider | Jun 10, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 5815 | SC |
| Physician Assistant | 363A00000X | — | — |
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 - Physician Assistant (SC) |
|---|
Education and affiliations
| Graduation year | 2024 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical groups
- Self Medical GroupGreenwood, SC · 395 clinicians
- Self Regional HealthcareLaurens, SC · 180 clinicians
Hospital affiliation
- Self Regional HealthcareGreenwood, SC
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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