Quick answers
- Which hospitals does Aaron M. Powell work at?
- Medicare's official clinician data lists Aaron M. Powell at 5 hospitals: Kenmore Mercy Hospital, Knox Community Hospital, Marietta Memorial Hospital, Mount St. Mary's Hospital & Health Center and Wyoming County. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Aaron M. Powell see patients?
- Medicare's clinician data lists 3 practice locations, including Williamsville, NY, Warsaw, NY and Lewiston, NY. Call before your visit to confirm the address.
- What is Aaron M. Powell's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does Aaron M. Powell accept Medicare assignment?
- Yes. Medicare's clinician data says Aaron M. Powell 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 Aaron M. Powell?
- (716) 636-1902, as listed in official Medicare / NPI Registry data.
- What is Aaron M. Powell's NPI number?
- 1427259688. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Aaron M. Powell works
Medicare's Facility Affiliation Data lists Aaron M. Powell at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Kenmore Mercy HospitalKenmore, NY · Acute Care Hospital · CCN 330102
- Knox Community HospitalMount Vernon, OH · Acute Care Hospital · CCN 360040
- Marietta Memorial HospitalMarietta, OH · Acute Care Hospital · CCN 360147
- Mount St. Mary's Hospital & Health CenterLewiston, NY · Acute Care Hospital · CCN 330188
- Wyoming CountyWarsaw, NY · Critical Access Hospital · CCN 331323
Practice locations
Addresses where Aaron M. Powell is enrolled with Medicare (CMS data updated 2026-10-02).
- 100 College Pkwy, Suite 180Williamsville, NY 14221 (716) 636‑1902
- 400 N Main StWarsaw, NY 14569 (585) 786‑2233
- 5300 Military RdLewiston, NY 14092 (716) 297‑4800
Group practices
Medicare enrollment lists Aaron M. Powell as a member of these groups (CMS data updated 2026-10-02).
- Riverside Radiology and Interventional Associates Inc253 clinicians in the group
- Brain and Spine Medical Services PLLC56 clinicians in the group
- Niagara Frontier Radiologic Associates PC23 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Williamsville
Clinicians with the same Medicare primary specialty in Williamsville, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | State University Of Ny Upstate Medical University |
| Graduation year | 2006 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1427259688 |
| 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