Quick answers
- Which hospitals does William Terrill work at?
- Medicare's official clinician data lists William Terrill at 5 hospitals: Ahn Wexford Hospital, Allegheny General Hospital, Forbes Hospital, Jefferson Hospital and West Penn Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does William Terrill see patients?
- Medicare's clinician data lists 2 practice locations, including Westfield, NY and Pittsburgh, PA. Call before your visit to confirm the address.
- What is William Terrill's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does William Terrill accept Medicare assignment?
- Yes. Medicare's clinician data says William Terrill 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.
- Does William Terrill offer telehealth?
- Medicare's clinician data says William Terrill offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for William Terrill?
- (716) 793-2221, as listed in official Medicare / NPI Registry data.
- What is William Terrill's NPI number?
- 1144617739. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where William Terrill works
Medicare's Facility Affiliation Data lists William Terrill at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Ahn Wexford HospitalWexford, PA · Acute Care Hospital · CCN 390334
- Allegheny General HospitalPittsburgh, PA · Acute Care Hospital · CCN 390050
- Forbes HospitalMonroeville, PA · Acute Care Hospital · CCN 390267
- Jefferson HospitalJefferson Hills, PA · Acute Care Hospital · CCN 390265
- West Penn HospitalPittsburgh, PA · Acute Care Hospital · CCN 390090
Practice locations
Addresses where William Terrill is enrolled with Medicare (CMS data updated 2026-10-02).
- 189 E Main StWestfield, NY 14787 (716) 793‑2221
- 320 E N AvePittsburgh, PA 15212 (412) 359‑2459
Group practices
Medicare enrollment lists William Terrill as a member of these groups (CMS data updated 2026-10-02).
- Allegheny Clinic Radiology152 clinicians in the group
- Chautauqua Medical Practice PC107 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Westfield
Clinicians with the same Medicare primary specialty in Westfield, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Northeastern Ohio University College Of Medicine |
| Graduation year | 2015 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1144617739 |
| 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