William S. Palmer, MD
NPI 1356337984ActiveIndividual· Internal Medicine· Windsor, VT
Internal Medicine (MD) in Windsor, Vermont, trained at Columbia University College of Physicians and Surgeons (class of 1987). 125 Medicare patients in 2024, $20,354 paid; nearly all of their 59 Part D prescriptions were generic (90%).
Overview
| NPI | 1356337984 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Sep 20, 2005 |
| Last updated in NPPES | Mar 10, 2021 |
| Certified by provider | Mar 10, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 042-0009027 | VT |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (VT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 125 |
|---|---|
| Services billed | 285 across 16 procedure codes |
| Paid by Medicare | $20,354 |
Part D prescriptions in 2024
| Prescriptions (claims) | 59 · 59 30-day fills |
|---|---|
| Patients | 34 |
| Total drug cost | $2,576 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | Columbia University College of Physicians and Surgeons |
|---|---|
| Graduation year | 1987 |
| Medicare specialty | Internal Medicine |
Medical group
- Windsor Hospital CorporationWindsor, VT · 61 clinicians
Hospital affiliation
- Mt Ascutney HospitalWindsor, VT
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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