Welcome to Cornerstone Medical Group! 

Our offices have been serving patients in the Macomb County area for over 30 years.

We are Patient Centered Medical Homes and Neighborhoods.

As a Patient Centered Medical Home (PCMH), our approach is to provide our patients with comprehensive health care, which is focused on all aspects of your health and overall well-being.  Along with your physician and other health care providers, you are the most important person in managing your health.

We are proud to announce our specialists, Bennett Family Foot Care and St John Endocrinology have earned the highest Service Excellence Award in Care Coordination - 5 star rating.  This rating is awarded to specialists that have implemented and maintained patient centered medical home - neighborhood capabilities that improve patient care coordination and quality improvements in healthcare.  

Our Patient Portal

We encourage you to sign up for the Patient Portal which can provide a quick and easy method for scheduling appointments, entering and updating medications, obtaining test results, etc.  If you have any questions or need assistance, please feel free to speak to a member of our staff.


Patients are responsible for co-pays and prior balances at the time of service.

Health Insurance

Our offices accept most major insurance plans.    

Financial Assistance 

      Financial Assistance Policy

      Summary- Financial Assistance Policy     

      Financial Assistance Policy Charity Care Application


Hour Detroit Top Docs 

We are proud to announce that the following doctors were nominated as a Top Doc as listed in Hour Magazine in October 2017.

Ernesto Drelichman MD - Colorectal Surgery

Regina Kurian MD - Endocrinology

Robert McGahey MD - Pediatrics

Benjamin Osowa MD - Internal Medicine