Corey David Williams
NPI 1205352259ActiveIndividual· Physician Assistant· Windham, NH
Physician Assistant in Windham, New Hampshire, trained at Eastern Virginia Medical School (class of 2017). 158 Medicare patients in 2024, $18,990 paid; nearly all of their 70 Part D prescriptions were generic (99%). Si-Bone, Inc. was the largest of 3 companies reporting payments in 2025, $164.15 in all, mostly food and beverage.
Overview
| NPI | 1205352259 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | Yes |
| NPI issued | Aug 21, 2017 |
| Last updated in NPPES | Aug 21, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | — | — |
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 - Physician Assistant (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 158 |
|---|---|
| Services billed | 426 across 24 procedure codes |
| Paid by Medicare | $18,990 |
Part D prescriptions in 2024
| Prescriptions (claims) | 70 · 70 30-day fills |
|---|---|
| Patients | 49 |
| Total drug cost | $436.72 |
| Generic share | 99% of claims |
Education and affiliations
| Medical school | Eastern Virginia Medical School |
|---|---|
| Graduation year | 2017 |
| Medicare specialty | Physician Assistant |
Medical groups
- Mass General Brigham Medical Group Northern Massachusetts IncDanvers, MA · 827 clinicians
- Pratt Orthopaedic Associates IncBoston, MA · 28 clinicians
Hospital affiliation
- Melrosewakefield HealthcareMelrose, MA
Industry payments (Open Payments)
- 2025$164.15 · 3 payments from 3 companies
- 2024$158.67 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Si-Bone, Inc. | $100.55 | 1 |
| Smith+nephew, Inc. | $46.06 | 1 |
| Boston Scientific Corporation | $17.54 | 1 |
What the 2025 payments were for
- Food and Beverage$164.15 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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