John E. Williamson, M.D.
NPI 1518025816ActiveIndividual· Obstetrics & Gynecology· Morristown, TN
Obstetrics & Gynecology (M.D.) in Morristown, Tennessee, trained at Indiana University School of Medicine (class of 1996). Part D covered 20 prescriptions written in 2024, 95% of them generic. Organon LLC reported $10.47 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1518025816 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Dec 5, 2006 |
| Last updated in NPPES | Oct 26, 2026 |
| Certified by provider | Oct 26, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology Primary | 207V00000X | 29482 | TN |
| Obstetrics & Gynecology | 207V00000X | 37990 | KY |
| Family Medicine | 207Q00000X | 29482 | TN |
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 - Obstetrics/Gynecology (KY); Practitioner - Obstetrics/Gynecology (TN) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 20 · 20 30-day fills |
|---|---|
| Total drug cost | $133.81 |
| Generic share | 95% of claims |
Education and affiliations
| Medical school | Indiana University School of Medicine |
|---|---|
| Graduation year | 1996 |
| Medicare specialty | Obstetrics/Gynecology |
Medical group
- Owensboro Health Medical Group IncOwensboro, KY · 453 clinicians
Hospital affiliations
- Morristown Hamblen Hospital AssociationMorristown, TN
- Owensboro Health Twin Lakes Medical CenterLeitchfield, KY
Industry payments (Open Payments)
- 2025$10.47 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Organon LLC | $10.47 | 1 |
What the 2025 payments were for
- Food and Beverage$10.47 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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