Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Mariah Barnes, MD

Individual provider Emergency Medicine Physician · NPI 1093197030

Mariah Barnes, MD is an Emergency Medicine in Grand Rapids, Michigan. Graduated from Michigan State University College of Human Medicine in 2015, 11 years ago. Practices with Ecs Western Michigan PC, a 201-clinician group and accepts Medicare assignment. Licensed in Michigan.

Years since qualifying
11
Trained at
Michigan State University College of Human Medicine
Licensed in
MI
In the registry since
2015
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

100 Michigan St NE
Grand Rapids, MI 49503
Phone: (616) 391-1730
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 4301107835 (MI)
Anesthesiology Physician Taxonomy 207L00000X · Licence 4301107835 (MI)

Record details

NPI number1093197030
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 26, 2015
Last updated in NPPESFebruary 21, 2025
Certification dateFebruary 21, 2025
Mailing address4100 Embassy Dr Se Ste 400, Grand Rapids, MI 49546-2416

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyEMERGENCY MEDICINE
Medical schoolMICHIGAN STATE UNIVERSITY COLLEGE OF HUMAN MEDICINE
Graduated 2015 (11 years in practice)
Group practice Ecs Western Michigan Pc — 201 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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