Nellie I. Kalcheva, MD is the Director of Clinical and Consultative Services for Columbia Interventional Cardiovascular Care and Critical Care Cardiologist at NewYork-Presbyterian Hospital. She is an Assistant Professor of Clinical Medicine at the College of Physicians and Surgeons at Columbia University. Dr. Kalcheva received her medical degree from Medical Academy, Sofia, Bulgaria. She completed her internal medicine residency at Albert Einstein College of Medicine in New York and her clinical cardiology fellowship at New York University Medical Center. In addition, Dr. Kalcheva completed advanced echocardiography fellowship at Columbia University Medical Center in New York.