John D. Williamson, M.D.
NPI 1154324598ActiveIndividual· Pathology, Anatomic Pathology & Clinical Pathology· Louisville, KY
Pathology, Anatomic Pathology & Clinical Pathology (M.D.) in Louisville, Kentucky, trained at Virginia Commonwealth University, School of Medicine (class of 1992). Medicare paid $42,828 for services to 522 patients in 2024. Hologic Sales and Service, LLC reported $135.61 in payments in 2024, mostly food and beverage.
Overview
| NPI | 1154324598 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 31, 2005 |
| Last updated in NPPES | Jul 6, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Pathology, Anatomic Pathology & Clinical Pathology Primary | 207ZP0102X | 34884 | KY |
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 (KY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 522 |
|---|---|
| Services billed | 1,730 across 22 procedure codes |
| Paid by Medicare | $42,828 |
Education and affiliations
| Medical school | Virginia Commonwealth University, School of Medicine |
|---|---|
| Graduation year | 1992 |
| Medicare specialty | Pathology |
Medical group
- Clinical Associates LLCLouisville, KY · 28 clinicians
Hospital affiliation
- Norton Hospitals, IncLouisville, KY
Industry payments (Open Payments)
- 2024$135.61 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Hologic Sales and Service, LLC | $135.61 | 1 |
What the 2024 payments were for
- Food and Beverage$135.61 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 77 pathologists in Louisville · All pathologists in Kentucky