Dr. Michael Buchanan Keller, MD

Dr. Michael Keller specializes in internal medicine with advanced training in critical care medicine. He earned his medical degree from the University of Miami Leonard M. Miller School of Medicine and completed his residency at Johns Hopkins Health System. With 13 years of clinical experience, Dr. Keller brings extensive expertise to the care of adult patients requiring both routine internal medicine services and intensive critical care support.

Dr. Keller practices at The Johns Hopkins Hospital in Baltimore, Maryland, where he provides comprehensive care for patients with complex medical conditions. His clinical focus includes treating patients with impaired immunity and respiratory failure, as well as managing high cholesterol in children and teens. He performs essential diagnostic procedures such as arterial blood gas analysis and various blood tests to help diagnose and monitor patient conditions.