David Armstrong

David Armstrong, DO, FACC, is a cardiologist with extensive experience in the field. Currently, David serves at Hackensack University Medical Center since July 2018 and previously worked at Lenox Hill Hospital from July 2012 to June 2018, specializing in clinical cardiology and echocardiography. David completed a Cardiovascular Disease Fellowship at Hofstra North Shore-LIJ School of Medicine, where also served as an instructor. Earlier, David underwent internal medicine internship and residency at ChristianaCare and contributed as a research assistant at the University of Michigan. David earned a Doctor of Osteopathy from the New York Institute of Technology and a Bachelor of Science in Human Biology, Health, and Society from Cornell University.