Quick answers
- Which hospitals does Allen J. Williams work at?
- Medicare's official clinician data lists Allen J. Williams at 2 hospitals: ProMedica Toledo Hospital and University of Toledo Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Allen J. Williams see patients?
- Medicare's clinician data lists 2 practice locations, including Toledo, OH. Call before your visit to confirm the address.
- What is Allen J. Williams's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does Allen J. Williams accept Medicare assignment?
- Yes. Medicare's clinician data says Allen J. Williams 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 Allen J. Williams?
- (419) 291-4000, as listed in official Medicare / NPI Registry data.
- What is Allen J. Williams's NPI number?
- 1861427270. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Allen J. Williams works
Medicare's Facility Affiliation Data lists Allen J. Williams at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- ProMedica Toledo HospitalToledo, OH · Acute Care Hospital · CCN 360068
- University of Toledo Medical CenterToledo, OH · Acute Care Hospital · CCN 360048
Practice locations
Addresses where Allen J. Williams is enrolled with Medicare (CMS data updated 2026-10-02).
- 2142 N Cove BlvdToledo, OH 43606 (419) 291‑4000
- 3000 Arlington AveToledo, OH 43614 (419) 383‑3578
Group practices
Medicare enrollment lists Allen J. Williams as a member of these groups (CMS data updated 2026-10-02).
- University of Toledo Physicians LLC403 clinicians in the group
- Emergency Physicians of Northwest Ohio Inc101 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Toledo
Clinicians with the same Medicare primary specialty in Toledo, OH — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Wayne State University School Of Medicine |
| Graduation year | 1986 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1861427270 |
| 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