Northwestern Medicine Central DuPage Hospital (CDH) is a 390-bed hospital in Winfield, Illinois, United States, one of twelve hospitals operated by Northwestern Medicine. CDH was the first hospital in DuPage County to perform open heart surgery and the first to perform closed-chest, robot-assisted cardiac bypass surgery in the State of Illinois. As of 2021[update], the hospital was ranked 8th on the "Best Hospitals in Illinois" list by U.S. News & World Report, but was not nationally ranked in any specialty.