Quick answers
- Which hospitals does William R. Colyer work at?
- Medicare's official clinician data lists William R. Colyer at 5 hospitals: Henry County Hospital, Inc, Memorial Hospital, ProMedica Charles and Virginia Hickman Hospital, ProMedica Monroe Regional Hospital and ProMedica Toledo Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does William R. Colyer see patients?
- Medicare's clinician data lists 2 practice locations, including Toledo, OH and Monroe, MI. Call before your visit to confirm the address.
- What is William R. Colyer's specialty?
- Medicare lists Interventional Cardiology as the primary specialty, and also Cardiovascular Disease (Cardiology).
- Does William R. Colyer accept Medicare assignment?
- Yes. Medicare's clinician data says William R. Colyer 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 William R. Colyer?
- (419) 842-3000, as listed in official Medicare / NPI Registry data.
- What is William R. Colyer's NPI number?
- 1679567119. 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 R. Colyer works
Medicare's Facility Affiliation Data lists William R. Colyer at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Henry County Hospital, IncNapoleon, OH · Critical Access Hospital · CCN 361309
- Memorial HospitalFremont, OH · Acute Care Hospital · CCN 360156
- ProMedica Charles and Virginia Hickman HospitalAdrian, MI · Acute Care Hospital · CCN 230005
- ProMedica Monroe Regional HospitalMonroe, MI · Acute Care Hospital · CCN 230099
- ProMedica Toledo HospitalToledo, OH · Acute Care Hospital · CCN 360068
Practice locations
Addresses where William R. Colyer is enrolled with Medicare (CMS data updated 2026-10-02).
- 2940 N McCord Rd, Suite 100Toledo, OH 43615 (419) 842‑3000
- 730 N Macomb St, Suite 228Monroe, MI 48162 (734) 242‑7060
Group practices
Medicare enrollment lists William R. Colyer as a member of this group (CMS data updated 2026-10-02).
- ProMedica Northwest Ohio Cardiology Consultants LLC84 clinicians in the group
Specialties
Other interventional cardiologists in Toledo
Clinicians with the same Medicare primary specialty in Toledo, OH — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Toledo College Of Medicine |
| Graduation year | 1996 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1679567119 |
| 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