Dr. Isaac George

Martin Leon is a Cardiologist and an Interventional Cardiologist practicing medicine in New York, New York. Dr. Leon is highly rated in 27 conditions, according to our data. His clinical expertise encompasses Aortic Valve Stenosis, Tricuspid Regurgitation, Aortic Regurgitation, Transcatheter Aortic Valve Replacement (TAVR), and Aortic Valve Replacement. Dr. Leon is board certified in Internal Medicine and Cardiovascular Disease. Dr. Leon is currently accepting new patients.

Dr. Hiroo Takayama is Vice Chair of Cardiac, Vascular, and Thoracic Surgery at NewYork-Presbyterian/Columbia University Irving Medical Center. He has more than 20 years of experience in treating patients with heart and vascular problems. As the co-Director of the Aortic Center at NYP/Columbia, Dr. Takayama has contributed to the care of over 4,000 patients by performing a variety of aortic and cardiac surgical procedures, approximately 300-350 operations every year.Dr. Takayama is internationally recognized for his work on complex aortic surgery (minimally invasive aortic surgery, valve-sparing aortic root replacement, aortic valve repair, aortic arch and thoracoabdominal aneurysm repair), hybrid aortic surgery (thoracic endovascular aneurysm repair), myectomy for obstructive hypertrophic cardiomyopathy, and heart failure surgery.He is a leader in outcome research in aortic diseases and heart failure. He has published more than 300-350 manuscripts in prestigious, peer-reviewed journals and has authored numerous book chapters about heart disease.Dr. Takayama attended University of Tokyo for Medical School, did his internship at University of Tokyo, general surgery residency in University of Washington Medical Center, and cardio-thoracic surgery fellowship in New-York Presbyterian/Columbia University Medical Center. Dr. Takayama is highly rated in 29 conditions, according to our data. His clinical expertise encompasses Cardiogenic Shock, Thoracic Aortic Aneurysm, Aortic Dissection, Heart Transplant, and Lung Transplant. Dr. Takayama is board certified in Surgery, Thoracic And Cardiac Surgery, and Cardiac Surgery. Dr. Takayama is currently accepting new patients.

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 27 conditions, according to our data. His clinical expertise encompasses Coronary Heart Disease, Heart Attack, Aortic Valve Stenosis, Percutaneous Coronary Intervention (PCI), and Atherectomy. Dr. Kirtane is board certified in Cardiovascular Disease and Interventional Cardiology. Dr. Kirtane is currently accepting new patients.