Quick answers
- Does William H. Baer Ii accept Medicare assignment?
- Yes. Medicare's clinician data says William H. Baer Ii accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- What is William H. Baer Ii's NPI number?
- 1184731333. 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 H. Baer Ii works
Medicare's Facility Affiliation Data lists William H. Baer Ii at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Mercy Health Saint Mary'sGrand Rapids, MI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 230059
- Spectrum HealthGrand Rapids, MI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 230038
Practice locations
Addresses where William H. Baer Ii is enrolled with Medicare (CMS data updated October 2, 2026).
- 5060 Cascade Rd, Suite AGrand Rapids, MI 49546
- 5060 Cascade Rd SE, Suite AGrand Rapids, MI 49546
Group practices
Medicare enrollment lists William H. Baer Ii as a member of these groups (CMS data updated October 2, 2026).
- Center for Physical Rehabilitation and Therapy LP369 clinicians in the group
- Center for Physical Rehabilitation Inc357 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Grand Rapids
Clinicians with the same Medicare primary specialty in Grand Rapids, MI — not a recommendation.
Other clinicians in Center for Physical Rehabilitation and Therapy LP
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | West Virginia University School Of Medicine |
| Graduation year | 1995 (31 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1184731333 |
| 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 October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- 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