Dr. Nagarajan was born in Southern India, he then moved to England to complete his medical training. After completing this residency at Cook County Hospital in Chicago, he worked as an assistant professor at the Cleveland Clinic, a world-renowned cardiac care hospital. Additionally, he completed fellowships at the University of Virginia Medical Center and The University of Texas Medical Branch at Galveston. Dr. Nagarajan is board certified in cardiovascular disease, interventional cardiology and internal medicine. He maintains professional memberships with several physician organizations. He is a Member of the Royal College of Physicians in the United Kingdom, a Fellow of the American College of Physicians, a Fellow of the American College of Cardiology, and a Fellow of the Society for Cardiovascular Angiography and Interventions.