Quick answers
- Which hospitals does James H. Alt work at?
- Medicare's official clinician data lists James H. Alt at 1 hospital: Trinity Health Muskegon Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does James H. Alt see patients?
- Medicare's clinician data lists 4 practice locations, including Grand Rapids, MI and Kentwood, MI. Call before your visit to confirm the address.
- What is James H. Alt's specialty?
- Medicare lists Certified Registered Nurse Anesthetist (CRNA) as the primary specialty.
- Does James H. Alt accept Medicare assignment?
- Yes. Medicare's clinician data says James H. Alt 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 James H. Alt?
- (734) 263-2400, as listed in official Medicare / NPI Registry data.
- What is James H. Alt's NPI number?
- 1477020063. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where James H. Alt works
Medicare's Facility Affiliation Data lists James H. Alt at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Trinity Health Muskegon HospitalMuskegon, MI · Acute Care Hospital · CCN 230066
Practice locations
Addresses where James H. Alt is enrolled with Medicare (CMS data updated 2026-10-02).
- 200 Jefferson Ave SEGrand Rapids, MI 49503 (734) 263‑2400
- 4444 Kalamazoo Ave SE, 200 Corewell Health Medical Group WestKentwood, MI 49508 (616) 391‑5600
- 80 68th St SEGrand Rapids, MI 49548
- 80 68th St SE Fl, 1 Corewell Health Medical Group WestGrand Rapids, MI 49548 (616) 267‑8950
Group practices
Medicare enrollment lists James H. Alt as a member of these groups (CMS data updated 2026-10-02).
- Spectrum Health Primary Care Partners2,294 clinicians in the group
- Saint Mary's Health Services173 clinicians in the group
Specialties
Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), Michigan →
Other nurse anesthetists in Grand Rapids
Clinicians with the same Medicare primary specialty in Grand Rapids, MI — not a recommendation.
Clinician information
| Credential | CNA |
|---|---|
| Graduation year | 2018 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1477020063 |
| 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