Matthew Thomas Williams, PA
NPI 1891392643ActiveIndividual· Physician Assistant· South Burlington, VT
Physician Assistant (PA) with Cayuga Medical Associates PC and 2 other groups, practicing in South Burlington, Vermont. 373 Medicare patients in 2024, $31,191 paid; nearly all of their 838 Part D prescriptions were generic (99%). Lists Cayuga Medical Center at Ithaca as a hospital affiliation.
Overview
| NPI | 1891392643 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA |
| Sole proprietor | No |
| NPI issued | Oct 5, 2020 |
| Last updated in NPPES | Sep 21, 2026 |
| Certified by provider | Sep 21, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 055.0040752 | VT |
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 | 373 |
|---|---|
| Services billed | 577 across 33 procedure codes |
| Paid by Medicare | $31,191 |
Part D prescriptions in 2024
| Prescriptions (claims) | 838 · 875 30-day fills |
|---|---|
| Patients | 581 |
| Total drug cost | $8,019 |
| Generic share | 99% of claims |
Education and affiliations
| Graduation year | 2020 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical groups
- Cayuga Medical Associates PCIthaca, NY · 282 clinicians
- Ashraf Medical Group PLLCMohegan, NY · 32 clinicians
- Cma Medical Practice PLLCIthaca, NY · 28 clinicians
Hospital affiliation
- Cayuga Medical Center at IthacaIthaca, 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 29 physician assistants in South Burlington · All physician assistants in Vermont