John P. Williams, DO
NPI 1598744393ActiveIndividual· Pathology, Cytopathology· Gulfport, FL
Pathology, Cytopathology (DO) in Gulfport, Florida, trained at At Still University of Health Sciences, College of Osteo Med, Kirksville (class of 1983). Mostly services rather than prescriptions: Medicare paid $1,208,556 for 5,101 patients in 2024, with only 11 Part D claims.
Overview
| NPI | 1598744393 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | Yes |
| NPI issued | Jan 11, 2006 |
| Last updated in NPPES | Feb 20, 2020 |
| Certified by provider | Feb 20, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Pathology, Cytopathology Primary | 207ZC0500X | OS4755 | FL |
| Pathology, Anatomic Pathology & Clinical Pathology | 207ZP0102X | OS4755 | FL |
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 - Pathology (FL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 5,101 |
|---|---|
| Services billed | 23,455 across 8 procedure codes |
| Paid by Medicare | $1,208,556 |
Part D prescriptions in 2024
| Prescriptions (claims) | 11 · 33 30-day fills |
|---|---|
| Total drug cost | $437.16 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | At Still University of Health Sciences, College of Osteo Med, Kirksville |
|---|---|
| Graduation year | 1983 |
| Medicare specialty | Pathology |
Medical groups
- West Central Gastroenterology LLPClearwater, FL · 84 clinicians
- Surgical Pathology Laboratories PAPinellas Park, FL · 9 clinicians
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records