Dr. Ponnuswamy Natarajan is a cardiologist practicing in Sarasota, FL. Dr. Natarajan specializes in diagnosing, monitoring, and treating diseases or conditions of the heart and blood vessels and the cardiovascular system. These conditions include heart attacks, heart murmurs, coronary heart disease, and hypertension. Dr. Natarajan also practices preventative medicine, helping patients maintain a heart-healthy life.