search buttonmobile navigation expand button
Find a Physician

Need Assistance?

McLaren Health Care
Grand Blanc | MI 48439 |
Back to Search Results
Physician Information

John Diedrich , MD

John Diedrich, MD specializes in Internal Medicine
McLaren Medical Group Physician
Specialty Internal Medicine
Gender Male
McLaren Northern Michigan Internal Medicine
Address 1 560 W. Mitchell Street, Suite 300
Petoskey , MI 49770
Phone: 231-487-2460
Fax: 231-487-6596
This physician is employed by McLaren Medical Group.

Internal Medicine

Medical School
University of Michigan

Mayo Graduate School of Medicine

Learn More

Dr. John Diedrich specializes in internal medicine.  He has experience with preventive care, diagnosis and management of chronic diseases, annual exams and testing, ensuring vaccines are up to date and coordinating with specialty care as needed.