Quick answers
- Which hospitals does William Wagner work at?
- Medicare's official clinician data lists William Wagner at 1 hospital: Providence St Mary Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does William Wagner see patients?
- Medicare's clinician data lists 1 practice location in Walla Walla, WA. Call before your visit to confirm the address.
- What is William Wagner's specialty?
- Medicare lists Family Practice 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 William Wagner's NPI number?
- 1871567941. 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 Wagner works
Medicare's Facility Affiliation Data lists William Wagner at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Providence St Mary Medical CenterWalla Walla, WA · Acute Care Hospital · CCN 500002
Practice locations
Addresses where William Wagner is enrolled with Medicare (CMS data updated 2026-10-02).
- 55 W Tietan StWalla Walla, WA 99362
Group practices
Medicare enrollment lists William Wagner as a member of this group (CMS data updated 2026-10-02).
- Privia Medical Group Washington PLLC76 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Walla Walla
Clinicians with the same Medicare primary specialty in Walla Walla, WA — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Des Moines University Of Osteopathic Medicine And Health Sciences |
| Graduation year | 2000 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1871567941 |
| 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