Gail D. Williamson, MD
NPI 1376597732ActiveIndividual· Internal Medicine· Canton, IL
Internal Medicine (MD) in Canton, Illinois, licensed in IL, with an NPI issued in May 2006. Part D covered 213 prescriptions written in 2024, 95% of them generic. Medtronic, Inc. was the largest of 2 companies reporting payments in 2025, $177.20 in all, mostly food and beverage.
Overview
| NPI | 1376597732 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 20, 2006 |
| Last updated in NPPES | Jul 11, 2025 |
| Certified by provider | Jul 11, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 036078962 | IL |
| Pediatrics | 208000000X | 036078962 | IL |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (IL) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 213 · 276 30-day fills |
|---|---|
| Patients | 27 |
| Total drug cost | $8,278 |
| Generic share | 95% of claims |
Industry payments (Open Payments)
- 2025$177.20 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Medtronic, Inc. | $116.93 | 2 |
| Vertex Pharmaceuticals Incorporated | $60.27 | 1 |
What the 2025 payments were for
- Food and Beverage$177.20 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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