Quick answers
- Where does William Wagner see patients?
- Medicare's clinician data lists 4 practice locations, including West Harrison, NY, New York, NY and Ridgewood, NJ. Call before your visit to confirm the address.
- What is William Wagner's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does William Wagner accept Medicare assignment?
- Yes. Medicare's clinician data says William Wagner 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 William Wagner?
- (914) 327-2700, as listed in official Medicare / NPI Registry data.
- What is William Wagner's NPI number?
- 1407684400. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where William Wagner is enrolled with Medicare (CMS data updated 2026-10-02).
- 1111 Westchester AveWest Harrison, NY 10604 (914) 327‑2700
- 161 Fort Washington AveNew York, NY 10032 (212) 305‑8559
- 223 N Van Dien Ave, Valley HospitalRidgewood, NJ 07450 (212) 305‑0914
- 3 Michael Frey DrEastchester, NY 10709 (914) 337‑3500
Group practices
Medicare enrollment lists William Wagner as a member of these groups (CMS data updated 2026-10-02).
- Trustees of Columbia University in the City of New York2,296 clinicians in the group
- Columbia Doctors of New Jersey P C59 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in West Harrison
Clinicians with the same Medicare primary specialty in West Harrison, NY — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2024 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1407684400 |
| 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
- 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