Carle Clinic Association - A 315 physician multispecialty group founded in 1931, Carle Clinic is one of the largest diagnostic treatment centers in Illinois.  Carle is a highly respected regional referral center, offering over 50 medical and surgical specialties/sub-specialties to a service area of approximately 1.5 million residents throughout Central Illinois and Western Indiana.  Carle Foundation Hospital is a designated Level I Trauma Center and Level III Perinatal Center.  Carle Clinic's main campus is located in Urbana, Illinois, which is home of the University of Illinois School of Medicine.