Esther S Han, MD

Stefano Ravalli, MD is a cardiologist at Columbia University Medical Center/NewYork-Presbyterian Hospital. Dr. Ravalli’s areas of expertise include coronary artery disease, hypertension, cardiac imaging, congestive heart failure and valvular heart disease. Dr. Ravalli is board certified in cardiovascular disease and is a Fellow of the American College of Cardiology. Dr. Ravalli received his medical degree from the University of Rome La Sapienza, where he graduated Summa cum laude. He completed his residency and internship at Beth Israel Medical Center in New York, cardiology and heart failure/transplant cardiology fellowships at Columbia University Medical Center. Dr. Ravalli has been named as a New York Super Doctor and US News & World Report’s Best Doctors of America. Dr. Ravalli is an active preceptor at Columbia for medical student, residents and fellows and has authored more than 40 manuscripts and abstracts. Dr. Ravalli is a member of the ColumbiaDoctors Hypertension Center, a multi-disciplinary center of excellence that provides high quality care and state-of-the-art diagnostic testing for patients with hypertension. He sees patients at ColumbiaDoctors Midtown and Columbia University Medical Center in Washington Heights, New York.

Eamon Duffy, MD, MBA, FACC, is an Assistant Professor of Medicine at the Vagelos College of Physicians and Surgeons at Columbia University and an Attending Physician at New York-Presbyterian Hospital/Columbia University Irving Medical Center. Dr. Duffy is a graduate of the Yale School of Medicine and the Yale School of Management. He completed his internship and residency in internal medicine at Johns Hopkins Hospital in Baltimore, Maryland. He completed his fellowship in cardiovascular disease at Columbia University Irving Medical Center and in his final year served as chief fellow. He then completed a fellowship in echocardiography at Columbia and a fellowship in sports cardiology and hypertrophic cardiomyopathy at Morristown Medical Center. Dr. Duffy is a clinical non-invasive cardiologist with expertise in the diagnosis and treatment of cardiovascular diseases in adults, including hypertension, high cholesterol, coronary artery disease, valvular heart disease, heart rhythm disorders, and cardiomyopathies. He attends on the inpatient cardiology service, leading teams of residents and medical students. He is board-certified in Internal Medicine, Cardiovascular Disease, Echocardiography, and Nuclear Cardiology. In addition to general cardiology, Dr. Duffy is an expert in sports cardiology and is passionate about caring for athletes who have cardiac disease or seek cardiac assessment prior to exercise or competition. He is an active long-distance runner and enjoys caring for fellow runners and endurance athletes as they balance their health with their next PR. He has expertise in exercise testing, VO2 max testing, lactate threshold testing, and prescribing exercise safely for patients with cardiac disease or risk factors. He is actively involved in multiple research efforts to study athletic and cardiac performance. Dr. Duffy founded the Columbia Runners Heart Clinic, a clinic dedicated to the cardiac care of runners and other endurance athletes. If you are interested in being seen in this clinic, please email ed2947@cumc.columbia.edu.

Dr. Eisig is Chief of the Hospital Dental Service at NewYork-Presbyterian Hospital, the George Guttmann Professor of Clinical Craniofacial Surgery and Director of Oral and Maxillofacial Surgery at the hospital, and Chair of Hospital Dentistry at Columbia University’s College of Dental Medicine. He received his dental degree from New York University and then completed his general dental internship and residency in oral and maxillofacial surgery at Long Island College Hospital in Brooklyn, and New York Hospital - Cornell Medical Center, respectively. Dr. Eisig received additional training as the maxillofacial surgery fellow at Shock Trauma at the University of Maryland Hospital. Dr. Eisig is the Section Editor for Oral and Maxillofacial Surgery of the Cleft Palate/Craniofacial Journal and is a Diplomate of the American Board of Oral and Maxillofacial Surgery. He volunteers abroad by treating patients with cleft lip and palate on Healing the Children missions to South American countries. He practices full-scope oral and maxillofacial surgery, with a particular interest in orthognathic surgery (corrective jaw surgery), craniofacial and cleft palate surgery, maxillofacial pathology and reconstruction and implant surgery, and pediatric oral and maxillofacial surgery. Dr. Eisig's principal research interests are in stem cell cranofacial regeneration and he has numerous publications in peer reviewed journals and book chapters.