Quick answers
- Which hospitals does Geoffrey McWilliams work at?
- Medicare's official clinician data lists Geoffrey McWilliams at 5 hospitals: Lake Health, Parma Community General Hospital, Tahoe Forest Hospital, UH St John Medical Center and University Hospitals Ahuja Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Geoffrey McWilliams see patients?
- Medicare's clinician data lists 2 practice locations, including Truckee, CA and Cleveland, OH. Call before your visit to confirm the address.
- What is Geoffrey McWilliams's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does Geoffrey McWilliams accept Medicare assignment?
- Yes. Medicare's clinician data says Geoffrey McWilliams 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 Geoffrey McWilliams?
- (530) 587-6011, as listed in official Medicare / NPI Registry data.
- What is Geoffrey McWilliams's NPI number?
- 1538589684. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Geoffrey McWilliams works
Medicare's Facility Affiliation Data lists Geoffrey McWilliams at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Lake HealthConcord, OH · Acute Care Hospital · CCN 360098
- Parma Community General HospitalParma, OH · Acute Care Hospital · CCN 360041
- Tahoe Forest HospitalTruckee, CA · Critical Access Hospital · CCN 051328
- UH St John Medical CenterWestlake, OH · Acute Care Hospital · CCN 360123
- University Hospitals Ahuja Medical CenterBeachwood, OH · Acute Care Hospital · CCN 360359
Practice locations
Addresses where Geoffrey McWilliams is enrolled with Medicare (CMS data updated 2026-10-02).
- 10121 Pine AveTruckee, CA 96161 (530) 587‑6011
- 11100 Euclid AveCleveland, OH 44106 (216) 844‑1000
Group practices
Medicare enrollment lists Geoffrey McWilliams as a member of these groups (CMS data updated 2026-10-02).
- University Hospitals Medical Group Inc2,294 clinicians in the group
- Tahoe Forest Hospital District140 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Truckee
Clinicians with the same Medicare primary specialty in Truckee, CA — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | University Of New England, College Of Osteo Medicine |
| Graduation year | 2014 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1538589684 |
| 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