Impact Medical Technologies

Dr. Ian Charles Gilchrist, MD, is an adult Interventional CardiologistDr. Gilchrist obtained his MD from Pennsylvania State University College of Medicine. He completed his residency in Internal Medicine at Tufts-New England Medical Center. Dr. Gilchrist furthered his training by completing fellowships at the State University of New York (SUNY) at Stony Brook, specializing in both Cardiology and Interventional Cardiology.

Dr. Amgad N. Makaryus grew up in New York and completed medical school training at the State University of New York, Downstate Medical Center in 2000. He then went on to complete his Internal Medicine residency and cardiovascular fellowship at North Shore University Hospital in Manhasset, NY. Further subspecialty training in cardiovascular imaging including echocardiography, cardiac CT, and cardiac MRI was undertaken by Dr. Makaryus from 2006-2007 at Columbia-Presbyterian Medical Center, New York. This subspecialty fellowship in cardiac imaging focused on training and research projects in the field of cardiovascular imaging. He returned to North Shore University Hospital in 2007 and served as director of cardiac CT and MRI (2008-2012) as well as director of the echocardiography laboratory (2009-2012). In September of 2012, Dr. Makaryus became the Chair of Cardiology at Nassau University Medical Center where he served for 12 years to expand and solidify their cardiac care services. Dr. Makaryus became the Cardiovascular Institute System Director for Echocardiography and Nuclear Cardiology as well as the Director of Cardiovascular Imaging at Plainview Hospital in January of 2025. Dr. Makaryus is board-certified in internal medicine and cardiology. He has additionally received certification from the National Board of Echocardiography, Certification Board of Nuclear Cardiology, Society of Cardiovascular Computed Tomography, and level II training in cardiac MRI. He is a founding member of the Society of Cardiovascular CT, member of the American College of Cardiology, the American Heart Association, the American Society of Echocardiography, the North American Society of Cardiovascular Imaging, and the American College of Physicians. Dr. Makaryus served as District 2 Nassau County Councilor for the New York State Chapter of the American College of Cardiology and as a member of the ACC/AHA Task Force on Data Standards and other ACC committees. Dr. Makaryus has authored over 230 peer-reviewed publications and book chapters in the field of cardiology and cardiovascular imaging. His research interests include the ideal application and equitable integration of cardiovascular imaging into the appropriate diagnosis and management of patients with and at risk for cardiovascular disease.