Keith A. Johnstone, MD, FACC, FACP, FSCAI, FASA, FCCP

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Get to know Dr. Keith A. Johnstone, MD, a board-certified cardiologist who serves patients in Southfield, Michigan. 

Dr. Keith A. Johnstone is a cardiologist serving Southfield and the surrounding communities at Beaumont Health. 

Beaumont Health is Michigan’s largest health care system (based on inpatient admissions and net patient revenue) and provides patients with compassionate, extraordinary care, no matter where they live. With eight hospitals, 155 outpatient locations, nearly 5,000 physicians, and 33,000 employees, Beaumont’s commitment to patient and family-centered care contributes to the health and well-being of residents throughout the community and beyond. 

Dr. Johnstone received his Doctor of Medicine (MD) at the University of Michigan Medical School in 1983. He went on to complete a residency in internal medicine at Santa Barbara College Hospital and Henry Ford Hospital. As a cardiologist, Dr. Johnstone specializes in diagnosing, monitoring, and treating diseases or conditions of the heart and blood vessels, and the cardiovascular system. These conditions include heart attacks, heart murmurs, coronary heart disease, and hypertension. 

Dr. Johnstone is board certified in cardiovascular disease by the American Board of Internal Medicine (ABIM). The ABIM is a physician-led, non-profit, independent evaluation organization driven by doctors who want to achieve higher standards for better care in a rapidly changing world.  

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