Dr. Einhorn was trained in Internal Medicine and Cardiology at State University, Brooklyn, New York. Dr. Einhorn held a clinical instructor position at Downstate Medical Center and was the Director of Coronary Care at King's County Hospital. Dr. Einhorn's main area of specialization has been all aspects of clinical cardiology with a special interest in cardiac catheterization, pacemakers, cardiac echocardiography, transesophageal echocardiography and medical teaching. He is board certified in Internal Medicine and Nuclear Cardiology with a subspecialty in Cardiovascular Disease. He holds the appointment of Associate Clinical Professor of medicine from the University of Florida. He is the Co-Director of the Orlando Health Heart Institute.