Dr. Andrew Benn is a cardiologist in Walnut Creek, CA and is affiliated with multiple hospitals in the area, including John Muir Medical Center, Concord, Alta Bates Summit Medical Center, John Muir Medical Center, Walnut Creek, San Ramon Regional Medical Center, and Stanford Health Care. He received his medical degree from University of Chicago Pritzker School of Medicine and has been in practice 29 years. He specializes in adult heart disease of all types.