Pediatric cardiology is a specialized field dedicated to diagnosing and treating heart conditions in infants, children, and adolescents. Leading pediatric cardiologists worldwide, such as Dr. Michael Collins in Boston and Dr. Viresh Mahajan in Gurgaon, India, are renowned for their expertise in complex congenital heart defects and innovative surgical techniques. Resources like MediFind, Columbia Doctors, and Northwell Health offer directories to locate top pediatric cardiologists by postal or zip code, providing detailed profiles and patient reviews to assist families in finding the best care for their children.