Below are reviews from a few of our patients that have been with us since we opened! We can't express enough our gratitude for the community we have been blessed to serve the past 20+ years.

"Dr. Grunberger sets the gold standard for being a very excellent doctor. He has taken care of me for 20 years!"
-Linda Khoenle

"Dr. Grunberger is great. I been coming here since 2002"
-Kathy King

"Dr. G provides outstanding care. He has always gone above expectations in getting me essential coverage for all my medical requirements"
-Joseph Cheh

"I look forward to every visit at GDI. Dr Grunberger is the BEST!!! + So is his staff!"
-Erika Guerriero

"I've been coming here for 20 years and my diabetes is under control."
-Walter Bojan

"Great doctor - don't retire - LOL - When you are ready! Been seeing you this long"
-William Adams

"Very professional and timely. Dr Hamill and her staff make a lot of effort to make sure that I am well informed and feel comfortable. It’s reassuring to visit them and I feel safe discussing about and finding solutions to my medical problems."
-Gaurav Deshpande

"I received professional and kind personal service from Dr Grunberger and his staff.. I have achieved great improvement on my diabetic numbers under his care. I recommend this office highly."
-Rosalind B

"Best Diabetes Clinic in Michigan. Dr Grundberger is a highly regarded Professional and very nice person. Thank you for many years of controlling my Diabetes and providing advice."
-Kenneth Lochner