Dr. James Warren is a cardiologist in Kissimmee, FL and is affiliated with multiple hospitals in the area, including St. Cloud Regional Medical Center, Health Central Hospital, Orlando Regional Medical Center, and AdventHealth Orlando. He received his medical degree from Sanford School of Medicine of the University of South Dakota and has been in practice 30 years. He specializes in adult congenital heart disease and is experienced in general cardiology, cardiac electrophysiology, nuclear cardiology, and cardiac critical care.