Quick answers
- Which hospitals does Mary J. Wall work at?
- Medicare's official clinician data lists Mary J. Wall at 5 hospitals: Adena Regional Medical Center, Fairfield Medical Center, Mercy Health - Defiance Hospital, Mercy Health - Tiffin Hospital and Mercy St Vincent Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mary J. Wall see patients?
- Medicare's clinician data lists 1 practice location in Defiance, OH. Call before your visit to confirm the address.
- What is Mary J. Wall's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does Mary J. Wall accept Medicare assignment?
- Yes. Medicare's clinician data says Mary J. Wall 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 Mary J. Wall?
- (419) 783-3239, as listed in official Medicare / NPI Registry data.
- What is Mary J. Wall's NPI number?
- 1265405237. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mary J. Wall works
Medicare's Facility Affiliation Data lists Mary J. Wall at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Adena Regional Medical CenterChillicothe, OH · Acute Care Hospital · CCN 360159
- Fairfield Medical CenterLancaster, OH · Acute Care Hospital · CCN 360072
- Mercy Health - Defiance HospitalDefiance, OH · Acute Care Hospital · CCN 360270
- Mercy Health - Tiffin HospitalTiffin, OH · Acute Care Hospital · CCN 360089
- Mercy St Vincent Medical CenterToledo, OH · Acute Care Hospital · CCN 360112
Practice locations
Addresses where Mary J. Wall is enrolled with Medicare (CMS data updated 2026-10-02).
- 1404 E 2nd St, Mhn Defiance HospitalDefiance, OH 43512 (419) 783‑3239
Group practices
Medicare enrollment lists Mary J. Wall as a member of this group (CMS data updated 2026-10-02).
- Columbus Radiology Corp292 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Ohio
Clinicians with the same Medicare primary specialty in Ohio — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Hahnemann Medical College And Hospital - Kansas City - Nlg |
| Graduation year | 1982 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1265405237 |
| 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