
Gregory J Deines, DO
EndocrinologyDiabetes
Highlights
Age Groups Seen
- Child 3-12
- Adolescent 13-17
- Adult 18-64
- Older Adult 65+
Languages
- English
Gender
MaleAffiliations
- Corewell Health Grand Rapids Hospitals
About Gregory J Deines
About the Provider
LGBTQIA+ Safe & Affirming
To earn the "Safe and Affirming" designation, providers individually complete an online training program which includes modules developed by the National LGBTQIA+ Health Education Center. For more information, click here.
Locations
- Corewell Health Diabetes and Endocrinology - 221 Michigan St NE
- 221 Michigan Street Northeast, Suite 200, Grand Rapids, MI 49503
- Get Directions
- phone: 616-267-8950
- fax: 616-267-8585
Experience
Education
- Residency: University of Michigan Health - West, Internal Medicine, 2001
- Medical School: Michigan State University, College of Osteopathic Medicine, Doctor of Osteopathic Medicine (DO), 1998
Board Certifications
- Internal Medicine: American Osteopathic Board of Internal Medicine, 2001
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
4.8 out of 5
132 ratings, 40 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 3/24/2026
Always a pleasure to have an appointment with this facility
- 5 out of 5 starsReviewed on 3/12/2026
He is very knowledgeable and easy to understand. Kind, pleasant person. Very good listener and caring person. I look forward to having him as a provider.
- 3 out of 5 starsReviewed on 3/9/2026
He seems like he is burned out or is frustrated with his job
- 5 out of 5 starsReviewed on 2/4/2026
Expert
- 5 out of 5 starsReviewed on 1/27/2026
Keep him happy!!
- 5 out of 5 starsReviewed on 1/25/2026
Super nice guy.
- 5 out of 5 starsReviewed on 1/16/2026
He is late for most morning appointments
- 5 out of 5 starsReviewed on 12/25/2025
I completely trust Dr. Deines on his medical decisions. He always listens to my questions an answers then completely.
- 5 out of 5 starsReviewed on 12/12/2025
He is knowledgeable and thorough
- 5 out of 5 starsReviewed on 12/6/2025
Dr Deines truly cares about his patients
- 5 out of 5 starsReviewed on 12/1/2025
I really count on Greg Deines to be there for me.
- 5 out of 5 starsReviewed on 11/26/2025
I’m always happy with the way Dr. Deines cares for me, patient , explains well, understanding, and encouraging
- 5 out of 5 starsReviewed on 11/15/2025
Dr.is always very informative and helpful with my questions
- 5 out of 5 starsReviewed on 11/13/2025
He has helped me get back on track! He is so nice!!
- 1 out of 5 starsReviewed on 10/25/2025
I'm sad that a provider I trusted showed little interest in my concerns. Maybe he was in a hurry.
- 5 out of 5 starsReviewed on 10/23/2025
Never a bad experience and always enjoy my visits.
- 5 out of 5 starsReviewed on 10/23/2025
He is wonderful!
- 5 out of 5 starsReviewed on 10/20/2025
I appreciated his willingness to listen to me
- 5 out of 5 starsReviewed on 10/17/2025
He is friendly, helpful, and shows that he cares about how I am doing.
- 5 out of 5 starsReviewed on 10/16/2025
Excellent doctor
- 5 out of 5 starsReviewed on 10/16/2025
Always a goof meeting.
- 1 out of 5 starsReviewed on 10/3/2025
i feel he had no interest in explaining what he needed, it seemed to only be about him the staff was helpful but when you tell someone to go back to their dr on the 2nd visit thats an inability to communicate
- 5 out of 5 starsReviewed on 9/30/2025
He is very good at what he does
- 5 out of 5 starsReviewed on 9/25/2025
Dr. Deines has been a great provider for all of the 10 plus he’s been my provider!!
- 5 out of 5 starsReviewed on 9/18/2025
Friendly, knowledgeable, caring and thoughtfulness.
- 5 out of 5 starsReviewed on 8/29/2025
He exudes an air of caring. One of the best bedside manner physicians I've met.
- 5 out of 5 starsReviewed on 8/20/2025
Like that he explained why the hospital prefers that i remove my pump during surgery.
- 5 out of 5 starsReviewed on 7/5/2025
Took time and explain what was going on a very professional.
- 5 out of 5 starsReviewed on 6/25/2025
I enjoyed my visit with Dr. Deines, he wanted to get me off of insulin, and listened to what I had to say, even having a dietician come in afterward.
- 5 out of 5 starsReviewed on 6/19/2025
Great practice that puts patients first
- 5 out of 5 starsReviewed on 6/4/2025
Dr Deines is caring and knowledgeable.
- 5 out of 5 starsReviewed on 5/23/2025
Great doctor
- 5 out of 5 starsReviewed on 5/20/2025
Appreciated his obvious knowledge and experience
- 3 out of 5 starsReviewed on 5/14/2025
Continued concerns with attentive listening to specific questions and satisfactorily answering the actual question asked.
- 5 out of 5 starsReviewed on 4/3/2025
No matter what I ask my Doctor always makes sense kudos
- 5 out of 5 starsReviewed on 3/29/2025
Great people to work with.
- 4 out of 5 starsReviewed on 3/21/2025
I’m very satisfied for the care that I’ve received from the many years I’ve been with them.
- 5 out of 5 starsReviewed on 2/18/2025
GREAT
- 3 out of 5 starsReviewed on 2/14/2025
Obtained different info from two providers.
- 5 out of 5 starsReviewed on 2/5/2025
A great doctor and great staff.