Quick answers
- Which hospitals does Aaron Willen work at?
- Medicare's official clinician data lists Aaron Willen at 1 hospital: Samaritan Hospital of Troy, New York. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Aaron Willen see patients?
- Medicare's clinician data lists 2 practice locations, including Troy, NY and Albany, NY. Call before your visit to confirm the address.
- What is Aaron Willen's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does Aaron Willen accept Medicare assignment?
- Yes. Medicare's clinician data says Aaron Willen 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 Willen?
- (518) 271-3261, as listed in official Medicare / NPI Registry data.
- What is Aaron Willen's NPI number?
- 1316352776. 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 Willen works
Medicare's Facility Affiliation Data lists Aaron Willen at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Samaritan Hospital of Troy, New YorkTroy, NY · Acute Care Hospital · CCN 330180
Practice locations
Addresses where Aaron Willen is enrolled with Medicare (CMS data updated 2026-10-02).
- 2215 Burdett AveTroy, NY 12180 (518) 271‑3261
- 315 S Manning BlvdAlbany, NY 12208 (518) 525‑1550
Group practices
Medicare enrollment lists Aaron Willen as a member of this group (CMS data updated 2026-10-02).
- Island Emergency Medical Services PC137 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Troy
Clinicians with the same Medicare primary specialty in Troy, NY — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Philadelphia College Of Osteopathic Medicine |
| Graduation year | 2014 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1316352776 |
| 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