Ryan D. Christofferson, MD, MBA, FACC, is an interventional cardiologist at University Hospitals Harrington Heart & Vascular Institute, with expertise in the diagnosis and treatment of complex coronary heart and peripheral vascular conditions. He also serves as director of interventional cardiology services at University Hospitals St. John Medical Center in Westlake, Ohio. Dr. Christofferson is board certified in cardiovascular disease and interventional cardiology. He has performed hundreds of routine and complex percutaneous coronary interventions (PCIs), including STEMI, peripheral vascular and carotid procedures. He has expertise in echocardiography, nuclear and echo stress testing as well.