Tong Gan, MD
Colon and Rectal Surgical OncologyColon and Rectal Surgery
Highlights
Age Groups Seen
- Adult 18-64
- Older Adult 65+
Languages
- English
Gender
MaleAffiliations
- Corewell Health Greenville Hospital
- Corewell Health Grand Rapids Hospitals
About Tong Gan
About the Provider
Tong Gan, MD is board certified in both colorectal and general surgery. Dr. Gan earned his medical degree from The Ohio State University College of Medicine in Columbus. He earned his master’s degree in clinical translational science and completed his general surgery residency at University of Kentucky Medical Center in Lexington and completed his colorectal surgery fellowship at Mayo Clinic in Rochester, Minnesota.
Facts About Me
His clinical interests include minimally invasive colorectal surgery, including robotic surgery, laparoscopic surgery and transanal minimally invasive surgery (TAMIS) for the treatment of colorectal cancer, inflammatory bowel disease and pelvic floor disorders.
Locations
- Corewell Health Colon and Rectal Surgery - 4100 Lake Dr SE
- 4100 Lake Drive Southeast, Grand Rapids, MI 49546
- Get Directions
- phone: 616-267-7100
- fax: 616-267-7102
- Corewell Health Colon and Rectal Surgery - Grand Haven
- 15100 Whittaker Way, Grand Haven, MI 49417
- Get Directions
- phone: 616-935-6380
- fax: 616-935-6385
Experience
Education
- Fellowship: Mayo Clinic College of Medicine & Science, Colon & Rectal Surgery, 2022
- Residency: University of Kentucky College of Medicine, Surgery (General Surgery), 2021
- Medical School: The Ohio State University College of Medicine, Doctor of Medicine (MD), 2014
Board Certifications
- Colon and Rectal Surgery: American Board of Colon and Rectal Surgery, 2023
- Surgery: American Board of Surgery, 2022
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
- Railroad Medicare
- 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
4.9 out of 5
66 ratings, 20 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 1/29/2026
Educated and professional
- 5 out of 5 starsReviewed on 1/19/2026
I’m very grateful to Dr Gan. I feel so much better.
- 5 out of 5 starsReviewed on 1/16/2026
Very professional. Helped me understand the process. Put me at ease
- 5 out of 5 starsReviewed on 12/15/2025
Friendly, caring and provided honest explainations, great interaction with us
- 5 out of 5 starsReviewed on 12/8/2025
Will be scheduling surgery and want him to be the surgeon... knowledgeable and confident
- 5 out of 5 starsReviewed on 12/1/2025
Friendly and thoughtful
- 5 out of 5 starsReviewed on 10/31/2025
Dr. Gan is awesome.
- 5 out of 5 starsReviewed on 6/25/2025
He took the time to answer any questions in a clear informative manner.
- 5 out of 5 starsReviewed on 5/15/2025
Every aspect was very professional
- 5 out of 5 starsReviewed on 5/10/2025
He went above and beyond to provide the resources I need
- 5 out of 5 starsReviewed on 5/3/2025
I was given informative medical and personal advice. I am looking forward to resolving my issue under his care
- 5 out of 5 starsReviewed on 4/26/2025
Top notch doctor and very thorough. Took his time with me.
- 5 out of 5 starsReviewed on 3/30/2025
Explained my questions in simple terms
- 5 out of 5 starsReviewed on 3/25/2025
Secure feeling.
- 5 out of 5 starsReviewed on 3/8/2025
Very good experience.
- 5 out of 5 starsReviewed on 3/3/2025
He takes the time to sit and listen to any concerns and not rush out the door.
- 5 out of 5 starsReviewed on 2/25/2025
Dr. Gan is very professional but also very personable.
- 5 out of 5 starsReviewed on 2/8/2025
Great
- 5 out of 5 starsReviewed on 2/7/2025
Very comforting and knowledgeable.