Quick answers
- Which hospitals does Mariah Barnes work at?
- Medicare's official clinician data lists Mariah Barnes at 2 hospitals: Spectrum Health and Spectrum Health United Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mariah Barnes see patients?
- Medicare's clinician data lists 2 practice locations, including Grand Rapids, MI. Call before your visit to confirm the address.
- What is Mariah Barnes's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does Mariah Barnes accept Medicare assignment?
- Yes. Medicare's clinician data says Mariah Barnes 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 Mariah Barnes?
- (616) 391-1680, as listed in official Medicare / NPI Registry data.
- What is Mariah Barnes's NPI number?
- 1093197030. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mariah Barnes works
Medicare's Facility Affiliation Data lists Mariah Barnes at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Spectrum HealthGrand Rapids, MI · Acute Care Hospital · CCN 230038
- Spectrum Health United HospitalGreenville, MI · Acute Care Hospital · CCN 230035
Practice locations
Addresses where Mariah Barnes is enrolled with Medicare (CMS data updated 2026-10-02).
- 100 Michigan Ave NEGrand Rapids, MI 49503 (616) 391‑1680
- 1840 Wealthy St SEGrand Rapids, MI 49506 (616) 391‑1730
Group practices
Medicare enrollment lists Mariah Barnes as a member of this group (CMS data updated 2026-10-02).
- Ecs Western Michigan PC201 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Grand Rapids
Clinicians with the same Medicare primary specialty in Grand Rapids, MI — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Michigan State University College Of Human Medicine |
| Graduation year | 2015 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1093197030 |
| 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