Dr. Knezevic joined Montclair Cardiology in 2004 and gained the reputation as one of the most respected cardiologists in the community. Since 2016 Dr Knezevic has been recognized by Castle Connoly as a Top Doctor in the New York Metropolitan area and by New Jersey Monthly as a top doctor in New Jersey. He is an expert in diagnosis and treatment of complex cardiovascular diseases. 

Dr. Knezevic serves as a Chief of Hackensack Meridian Health- Mountainside Heart and Vascular hospital. His patients love his warmth, compassion and his ability to explain complex heart disease in simple and understandable terms. A father of three daughters aged fourteen to 22, Dr. Knezevic places a strong emphasis on healthy living and helping patients make the best choices and improve their health. Dr. Knezevic is Board certified in Internal Medicine, Cardiology, Echocardiography and Nuclear Cardiology. Dr. Knezevic holds an academic appointment at Rutgers Medical School and Hackensack Meridian School of Medicine.