William S. Nicholson, P.A.
NPI 1104872258ActiveIndividual· Physician Assistant· Cooperstown, NY
Physician Assistant (P.A.) with Mary Imogene Bassett Hospital, practicing in Cooperstown, New York. 214 Medicare patients in 2024, $17,319 paid; nearly all of their 100 Part D prescriptions were generic (90%). Lists Bassett Healthcare as a hospital affiliation.
Overview
| NPI | 1104872258 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | P.A. |
| Sole proprietor | No |
| NPI issued | May 26, 2006 |
| Last updated in NPPES | Jul 13, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 006910 | NY |
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 - Physician Assistant (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 214 |
|---|---|
| Services billed | 386 across 29 procedure codes |
| Paid by Medicare | $17,319 |
Part D prescriptions in 2024
| Prescriptions (claims) | 100 · 108 30-day fills |
|---|---|
| Patients | 60 |
| Total drug cost | $3,705 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 1991 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Mary Imogene Bassett HospitalSidney, NY · 763 clinicians
Hospital affiliation
- Bassett HealthcareCooperstown, NY
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 89 physician assistants in Cooperstown · All physician assistants in New York