Quick answers
- Which hospitals does Max S. Rizer work at?
- Medicare's official clinician data lists Max S. Rizer at 5 hospitals: Corewell Health Big Rapids Hospital, Corewell Health Gerber Hospital, Corewell Health Ludington Hospital, Corewell Health Reed City Hospital and Spectrum Health. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Max S. Rizer see patients?
- Medicare's clinician data lists 5 practice locations, including Ludington, MI, Fremont, MI and Greenville, MI. Call before your visit to confirm the address.
- What is Max S. Rizer's specialty?
- Medicare lists Urology as the primary specialty.
- Does Max S. Rizer accept Medicare assignment?
- Yes. Medicare's clinician data says Max S. Rizer 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 Max S. Rizer?
- (231) 843-2591, as listed in official Medicare / NPI Registry data.
- What is Max S. Rizer's NPI number?
- 1275513079. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Max S. Rizer works
Medicare's Facility Affiliation Data lists Max S. Rizer 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
- Corewell Health Gerber HospitalFremont, MI · Critical Access Hospital · CCN 231338
- Corewell Health Ludington HospitalLudington, MI · Acute Care Hospital · CCN 230110
- Corewell Health Reed City HospitalReed City, MI · Critical Access Hospital · CCN 231323
- Spectrum HealthGrand Rapids, MI · Acute Care Hospital · CCN 230038
Practice locations
Addresses where Max S. Rizer is enrolled with Medicare (CMS data updated 2026-10-02).
- 1 Atkinson DrLudington, MI 49431 (231) 843‑2591
- 230 W Oak St, Corewell Health Gerber HospitalFremont, MI 49412
- 7 Atkinson DrLudington, MI 49431
- 707 S Greenville W Dr, Im/pedsGreenville, MI 48838 (616) 225‑6477
- 722 Locust StBig Rapids, MI 49307 (616) 754‑3001
Group practices
Medicare enrollment lists Max S. Rizer as a member of these groups (CMS data updated 2026-10-02).
- Spectrum Health United92 clinicians in the group
- Memorial Medical Center of West Michigan62 clinicians in the group
- Newaygo County General Hospital Association59 clinicians in the group
- Mecosta County Medical Center52 clinicians in the group
Specialties
- Urologyprimary
Other urologists in Michigan
Clinicians with the same Medicare primary specialty in Michigan — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Michigan State University College Of Osteopathic Medicine |
| Graduation year | 1998 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1275513079 |
| 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