Stephen G Simmer, MD
GastroenterologyInterventional Gastroenterology
Highlights
Age Groups Seen
- Adult 18-64
- Older Adult 65+
Languages
- English
Gender
MaleAffiliations
- Corewell Health Grand Rapids Hospitals
About Stephen G Simmer
About the Provider
Dr. Simmer is a board-certified physician specializing in gastroenterology. He earned his medical degree from Wayne State University School of Medicine in Detroit. He completed his internal medicine residency at Michigan Medicine in Ann Arbor and his general and advanced endoscopy gastroenterology fellowships at Henry Ford Health in Detroit.
Locations
- Corewell Health Gastroenterology - 4100 Lake Dr SE
- 4100 Lake Drive Southeast, Grand Rapids, MI 49546
- Get Directions
- phone: 616-267-7414
- fax: 616-267-7137
- Corewell Health Gastroenterology - Cutlerville
- 80 68th Street Southeast, Grand Rapids, MI 49548
- Get Directions
- phone: 616-267-7414
- fax: 616-267-7137
- Corewell Health Gastroenterology - 1005 W Green St
- 1005 West Green Street, Suite 300, Hastings, MI 49058
- Get Directions
- phone: 616-267-7414
- fax: 616-267-7137
- Corewell Health Gastroenterology - 705 S Greenville West Dr
- 705 South Greenville West Drive, Suite 202, Greenville, MI 48838
- Get Directions
- phone: 616-267-7414
- fax: 616-267-7137
Experience
Education
- Fellowship: Henry Ford Hospital, Gastroenterology, 2023
- Fellowship: Henry Ford Hospital, Gastroenterology, 2022
- Residency: University of Michigan Hospitals and Health Centers, Internal Medicine, 2019
- Medical School: Wayne State University School of Medicine, Doctor of Medicine (MD), 2016
Board Certifications
- Gastroenterology: American Board of Internal Medicine, 2022
- Internal Medicine: American Board of Internal Medicine, 2019
Insurance
- Aetna/Cofinity
- Align Senior Care MI
- BCBS Medicare Advantage Plus Blue
- BCBS PPO
- BCBS Traditional
- Blue Care Network
- Blue Care Network Medicare Advantage
- Blue Cross Complete
- Cigna
- Coventry First Health
- HAP/ASR
- Humana Military (Tricare East)
- McLaren Commercial
- McLaren Medicaid
- McLaren Medicare Advantage
- Medicaid
- Medicare
- Meridian AmBetter
- Meridian Complete (MI Health LINK) Dual Eligible
- Meridian Medicaid
- Molina Medicaid/MiChild/Marketplace (Health Plus)
- Molina Medicare
- Priority Health Choice Medicaid
- Priority Health HMO/PPO
- Priority Health Medicare Advantage
- Trinity Health Plan of MI
- UHC/Optum (VA Community Care Network)
- UM Health Plan
- United Health Care Commercial
- United Health Care Dual Complete
Ratings & Reviews
4.7 out of 5
10 ratings, 5 reviewsCorewell Health is committed to delivering high-quality and compassionate care. These ratings and reviews are transparent patient feedback collected via survey following a provider care experience that asks patients and families about the care they received.
- 5 out of 5 starsReviewed on 3/4/2026
He was prepared for my appointment. He had reviewed my medical tests and notes from my hospital stay. He was informative and professional. He did not make me feel rushed. He explained what the next steps in my healthcare need to be clearly and patiently.
- 5 out of 5 starsReviewed on 1/19/2026
He listened to us carefully and patiently, of our concerns over the problems we have been having with swallowing and eating food.
- 5 out of 5 starsReviewed on 7/10/2025
Friendly and respectful. Told me everything I needed to know. Explained the process to me so I knew what to expect..and possible outcomes.
- 5 out of 5 starsReviewed on 6/26/2025
His demeanor and mannerism were more open and friendly than others I've seen and experienced.
- No RatingReviewed on 2/24/2025
Wonderful!!!!