Shirnett K. Williamson, M.D.
NPI 1083785042ActiveIndividual· Radiology, Radiation Oncology· Pennington, NJ
Radiology, Radiation Oncology (M.D.) in Pennington, New Jersey, trained at Howard University College of Medicine (class of 1991). Part D covered 27 prescriptions written in 2024, 78% of them generic. Merck Sharp & Dohme LLC was the largest of 4 companies reporting payments in 2025, $99.86 in all, mostly food and beverage.
Overview
| NPI | 1083785042 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Nov 13, 2006 |
| Last updated in NPPES | Nov 14, 2025 |
| Certified by provider | Nov 14, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Radiology, Radiation Oncology Primary | 2085R0001X | 25MA06401400 | NJ |
| Radiology, Radiation Oncology | 2085R0001X | 76633 | AZ |
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 - Radiation Oncology (AZ); Practitioner - Radiation Oncology (NJ) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 27 · 53 30-day fills |
|---|---|
| Total drug cost | $4,067 |
| Generic share | 78% of claims |
Education and affiliations
| Medical school | Howard University College of Medicine |
|---|---|
| Graduation year | 1991 |
| Medicare specialty | Radiation Oncology |
Medical groups
- Capital Health Medical GroupPennington, NJ · 440 clinicians
- Kingman Healthcare IncKingman, AZ · 186 clinicians
Hospital affiliation
- Kingman Regional Medical CenterKingman, AZ
Industry payments (Open Payments)
- 2025$99.86 · 4 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $33.21 | 1 |
| Sobi, Inc | $27.35 | 1 |
| Incyte Corporation | $21.75 | 1 |
| Novocure Inc. | $17.55 | 1 |
What the 2025 payments were for
- Food and Beverage$99.86 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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