James D. Flaherty, MD is an interventional cardiologist and medical director of the coronary care unit (CCU) at Northwestern Memorial Hospital. His clinical interests include transcatheter valve therapies such as transcatheter aortic valve replacement (TAVR), coronary artery interventions, acute coronary syndromes and critical care. He is board certified in internal medicine, cardiovascular disease, interventional cardiology and advanced heart failure and transplant cardiology. Dr. Flaherty is an associate professor at Northwestern University Feinberg School of Medicine.