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

Stephen Gabriel Simmer, MD

Individual provider Internal Medicine Physician · NPI 1972953917

Stephen Gabriel Simmer, MD is a Gastroenterology in Grand Rapids, Michigan. Graduated from Wayne State University School of Medicine in 2016, 10 years ago. Practices with Spectrum Health Primary Care Partners, a 2,303-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Michigan.

Years since qualifying
10
Trained at
Wayne State University School of Medicine
Licensed in
MI
In the registry since
2016
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

4100 Lake Dr SE Ste 205
Grand Rapids, MI 49546-8292
Phone: (616) 267-7414
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 4301117308 (MI)
Internal Medicine Physician Taxonomy 207R00000X · Licence 4301117308 (MI)

Record details

NPI number1972953917
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 21, 2016
Last updated in NPPESJuly 31, 2023
Certification dateJuly 31, 2023

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Also practisesINTERNAL MEDICINE
Medical schoolWAYNE STATE UNIVERSITY SCHOOL OF MEDICINE
Graduated 2016 (10 years in practice)
Group practice Spectrum Health Primary Care Partners — 2303 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations5 on file with Medicare

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