Keith Popovich, MD, received his Bachelor of Arts in Chemistry in 1976 and Doctor of Medicine in May 1979, from West Virginia University. He completed his internship and residency in internal medicine at the University of Arkansas for Medical Sciences, followed by a three-year fellowship in pulmonary diseases. He then took a position as Assistant Professor of Medicine at the University of Chicago. Dr. Popovich was also the Director of the Medical Bronchoscopy Service for some time while at the University of Chicago. He then relocated to Butte, MT, to open a successful practice in pulmonology and sleep medicine in 1990. He is board-certified in Internal Medicine, Pulmonary Disease, and Sleep Medicine.