Dr. Tien H. Nguyen

Ajay J. Kirtane, MD, SM, is the Director of Columbia Interventional Cardiovascular Care and Professor of Medicine at Columbia University Irving Medical Center. He is an internationally-renowned leader in the field of Interventional Cardiology, with a particular focus on providing exceptional and evidence-based care to patients with complex coronary and peripheral vascular disease. In addition to his clinical commitments, Dr. Kirtane has a strong interest in clinical education and research, serving as Chief Academic Officer of the Division of Cardiology, and as director of several international, national, and regional educational conferences in Interventional Cardiovascular Medicine. Dr. Kirtane’s research interests are in clinical trials and outcomes of device-based and pharmacologic interventions to help patients with cardiovascular disease. He is/has been Principal Investigator and serves on the steering committees of numerous clinical trials in interventional cardiovascular medicine and has authored over 700 peer-reviewed publications.Born in Brooklyn, New York, and raised in Bergen County, New Jersey, Dr. Kirtane is a graduate of Ridgewood High School, Princeton University, and Columbia University College of Physicians and Surgeons, and completed his residency/chief residency in Internal Medicine at the University of California – San Francisco. He then completed fellowships in Cardiovascular Disease and Coronary and Peripheral Vascular Intervention at Beth Israel Deaconess Medical Center / Harvard Medical School and additionally obtained a Masters of Science in Clinical Epidemiology from the Harvard School of Public Health prior to moving back to Columbia. In his free time, Dr. Kirtane has avid interests in music and sports, and lives in New Jersey with his family. Dr. Kirtane is highly rated in 26 conditions, according to our data. His top areas of expertise are Coronary Heart Disease, Heart Attack, Aortic Valve Stenosis, Percutaneous Coronary Intervention (PCI), and Atherectomy.

Martin Leon is a Cardiologist and an Interventional Cardiologist in New York, New York. Dr. Leon is highly rated in 27 conditions, according to our data. His top areas of expertise are Aortic Valve Stenosis, Tricuspid Regurgitation, Aortic Regurgitation, Transcatheter Aortic Valve Replacement (TAVR), and Aortic Valve Replacement. Dr. Leon is currently accepting new patients.

Tamim Nazif, MD, is the Director of Clinical Research for Columbia Interventional Cardiovascular Care, the Director of the Interventional Cardiology Fellowship Program, and an Associate Professor of Medicine at Columbia University Irving Medical Center.He specializes in interventional cardiology and the treatment of heart valve disease.Dr. Nazif received his medical degree from Columbia University College of Physicians and Surgeons. He completed his residency in internal medicine at the University of California, San Francisco. He then completed fellowships in interventional cardiology and structural heart disease at Columbia University Irving Medical Center. Dr. Nazif is highly rated in 15 conditions, according to our data. His top areas of expertise are Aortic Valve Stenosis, Tricuspid Regurgitation, Mitral Valve Regurgitation, Aortic Valve Replacement, and Transcatheter Aortic Valve Replacement (TAVR).