Parmanand Singh, M.D.

Dr. Jonathan Weinsaft, an esteemed physician-scientist who focuses on clinical research and cardiovascular imaging, is the chief of the Greenberg Division of Cardiology at Weill Cornell Medicine and NewYork-Presbyterian/Weill Cornell Medical Center. Dr. Jonathan Weinsaft directs the cardiac MRI program and participates in the cardiac CT angiography program at New York Presbyterian Hospital - Weill Cornell. In addition to their active clinical services, both programs are actively engaged several research studies aimed at improving diagnostic techniques as well as clinical risk stratification for patients with atherosclerotic heart disease and congestive heart failure.Dr. Weinsaft is a member of the Division of Cardiology at NY Presbyterian Hospital - Weill Cornell Medical Center, where he is focused on the use of novel non-invasive imaging techniques such as cardiac MRI, cardiac CT, and nuclear cardiac imaging for the identification of coronary artery disease and related manifestations.Dr. Weinsaft completed undergraduate and graduate studies at New York University and subsequently received his medical degree from the New York University School of Medicine. Dr. Weinsaft completed his Internal Medicine residency and Cardiology fellowship at the New York Presbyterian Hospital Weill Cornell Medical Center. He also completed a research fellowship in cardiovascular imaging at Duke University Medical Center, where he was subsequently on faculty prior to being recruited to NY Presbyterian Hospital & Weill Cornell to develop the cardiac MRI program. In addition to serving as the Michael J. Wolk Foundation Clinical Scholar at NYP - Cornell (2005), Dr. Weinsaft has received the American Heart Association's Laennec Society Young Clinician Award (2001), the American Society of Nuclear Cardiology Young Investigator Award (2003), and the Doris Duke Charitable Foundation Clinical Scientist Development Award (2006). Research interests include use of cardiac MRI and CT for identification of ischemic and infarcted myocardium as well as prognostic risk assessment.

Shawn Ma, MD is a physician specializing in Vascular and Interventional Radiology. He is an Assistant Professor of Clinical Radiology at Weill Cornell Medicine and an Assistant Attending Radiologist at the New York-Presbyterian Hospital/Weill Cornell Medicine Campus.Dr. Ma earned a B.A. in Biological Science in 2015 from Cornell University, where he was inducted into the Phi Beta Kappa honor society. He then earned his M.D. in 2019 from the Perelman School of Medicine at the University of Pennsylvania and was elected into the Alpha Omega Alpha medical honor society.Following a general surgery preliminary year at Kaiser Permanente Los Angeles Medical Center, Dr. Ma returned to the University of Pennsylvania for his integrated Interventional Radiology/Diagnostic Radiology residency program, graduating in 2025. During this time, he served as Chief Resident in 2022-2023 and completed an Imaging Informatics Fellowship in 2024.Dr. Ma joined the faculty at Weill Cornell Medicine in July 2025 as an Assistant Professor of Clinical Radiology, as a member the Interventional Radiology Division.