Arkansas Children’s Hospital (ACH) is a pediatric hospital with a Level I trauma center in Little Rock, Arkansas. It is among the largest in the United States, serving children from birth to age 21. ACH is affiliated with the University of Arkansas for Medical Sciences and serves as a teaching hospital with the UAMS College of Medicine. ACH staff consists of more than 505 physicians, 200 residents, and 4,400 support staff. The hospital includes 356 licensed beds, and offers three intensive care units. The campus spans 36 city blocks and has a floor space of over 1,200,000 square feet (110,000 m2).