Quick answers
- Which hospitals does Michael A. Sillett work at?
- Medicare's official clinician data lists Michael A. Sillett at 1 hospital: Niagara Falls Memorial Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Michael A. Sillett see patients?
- Medicare's clinician data lists 4 practice locations, including Williamsville, NY, Niagara Falls, NY and Buffalo, NY. Call before your visit to confirm the address.
- What is Michael A. Sillett's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Michael A. Sillett accept Medicare assignment?
- Yes. Medicare's clinician data says Michael A. Sillett 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 Michael A. Sillett?
- (716) 630-1000, as listed in official Medicare / NPI Registry data.
- What is Michael A. Sillett's NPI number?
- 1548859366. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Michael A. Sillett works
Medicare's Facility Affiliation Data lists Michael A. Sillett at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Niagara Falls Memorial Medical CenterNiagara Falls, NY · Acute Care Hospital · CCN 330065
Practice locations
Addresses where Michael A. Sillett is enrolled with Medicare (CMS data updated 2026-10-02).
- 425 Essjay RdWilliamsville, NY 14221 (716) 630‑1000
- 620 Tenth St, Suite 710Niagara Falls, NY 14302 (716) 278‑4290
- 621 10th StNiagara Falls, NY 14301 (716) 278‑4000
- 85 High StBuffalo, NY 14203 (716) 630‑1000
Group practices
Medicare enrollment lists Michael A. Sillett as a member of these groups (CMS data updated 2026-10-02).
- Buffalo Medical Group, P.C.236 clinicians in the group
- Niagara Falls Memorial Medical Center70 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Williamsville
Clinicians with the same Medicare primary specialty in Williamsville, 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) | 1548859366 |
| 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