Quick answers
- Which hospitals does Matthew T. Williams work at?
- Medicare's official clinician data lists Matthew T. Williams at 1 hospital: Cayuga Medical Center at Ithaca. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Matthew T. Williams see patients?
- Medicare's clinician data lists 6 practice locations, including Ithaca, NY, Cortland, NY and Poughkeepsie, NY. Call before your visit to confirm the address.
- What is Matthew T. Williams's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Matthew T. Williams accept Medicare assignment?
- Yes. Medicare's clinician data says Matthew T. Williams accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Matthew T. Williams?
- (607) 274-4411, as listed in official Medicare / NPI Registry data.
- What is Matthew T. Williams's NPI number?
- 1891392643. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Matthew T. Williams works
Medicare's Facility Affiliation Data lists Matthew T. Williams at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Cayuga Medical Center at IthacaIthaca, NY · Acute Care Hospital · CCN 330307
Practice locations
Addresses where Matthew T. Williams is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 6; the Medicare profile lists all.
- 101 Dates DrIthaca, NY 14850 (607) 274‑4411
- 1129 Commons AveCortland, NY 13045 (607) 756‑7200
- 310 Taughannock Blvd, Suite 4Ithaca, NY 14850 (607) 269‑0100
- 401 Cayuga Park LnIthaca, NY 14850 (607) 339‑0625
- 696 Dutchess TpkePoughkeepsie, NY 12603 (845) 204‑9500
Group practices
Medicare enrollment lists Matthew T. Williams as a member of these groups (CMS data updated 2026-10-02).
- Cayuga Medical Associates PC282 clinicians in the group
- Ashraf Medical Group PLLC32 clinicians in the group
- Cma Medical Practice PLLC28 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Ithaca
Clinicians with the same Medicare primary specialty in Ithaca, NY — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2020 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1891392643 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians