Quick answers
- Which hospitals does John M. Thomas work at?
- Medicare's official clinician data lists John M. Thomas at 4 hospitals: Parma Community General Hospital, UH Cleveland Medical Center, UH St John Medical Center and University Hospitals - Elyria Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John M. Thomas see patients?
- Medicare's clinician data lists 1 practice location in Westlake, OH. Call before your visit to confirm the address.
- What is John M. Thomas's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does John M. Thomas accept Medicare assignment?
- Yes. Medicare's clinician data says John M. Thomas 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 John M. Thomas?
- (216) 383-0100, as listed in official Medicare / NPI Registry data.
- What is John M. Thomas's NPI number?
- 1730289877. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where John M. Thomas works
Medicare's Facility Affiliation Data lists John M. Thomas at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Parma Community General HospitalParma, OH · Acute Care Hospital · CCN 360041
- UH Cleveland Medical CenterCleveland, OH · Acute Care Hospital · CCN 360137
- UH St John Medical CenterWestlake, OH · Acute Care Hospital · CCN 360123
- University Hospitals - Elyria Medical CenterElyria, OH · Acute Care Hospital · CCN 360145
Practice locations
Addresses where John M. Thomas is enrolled with Medicare (CMS data updated 2026-10-02).
- 25651 Detroit Rd, Suite 304Westlake, OH 44145 (216) 383‑0100
Group practices
Medicare enrollment lists John M. Thomas as a member of this group (CMS data updated 2026-10-02).
- University Primary Care Practices Inc1,079 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Westlake
Clinicians with the same Medicare primary specialty in Westlake, OH — not a recommendation.
Clinician information
| Medical school | Ohio State University College Of Medicine |
|---|---|
| Graduation year | 1983 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1730289877 |
| 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