Quick answers
- Which hospitals does Ralph P. Crew work at?
- Medicare's official clinician data lists Ralph P. Crew at 1 hospital: Corewell Health Big Rapids Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Ralph P. Crew see patients?
- Medicare's clinician data lists 1 practice location in Big Rapids, MI. Call before your visit to confirm the address.
- What is Ralph P. Crew's specialty?
- Medicare lists Ophthalmology as the primary specialty.
- Does Ralph P. Crew accept Medicare assignment?
- Yes. Medicare's clinician data says Ralph P. Crew 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 Ralph P. Crew?
- (231) 796-0100, as listed in official Medicare / NPI Registry data.
- What is Ralph P. Crew's NPI number?
- 1639281934. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ralph P. Crew works
Medicare's Facility Affiliation Data lists Ralph P. Crew at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Corewell Health Big Rapids HospitalBig Rapids, MI · Acute Care Hospital · CCN 230093
Practice locations
Addresses where Ralph P. Crew is enrolled with Medicare (CMS data updated 2026-10-02).
- 650 Linden St, Suite 5Big Rapids, MI 49307 (231) 796‑0100
Group practices
Medicare enrollment lists Ralph P. Crew as a member of this group (CMS data updated 2026-10-02).
- Rapids Ophthalmology, PC4 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Michigan
Clinicians with the same Medicare primary specialty in Michigan — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Ohio University, College Of Osteopathic Medicine |
| Graduation year | 1981 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1639281934 |
| 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