Initially formed in 1995, Iowa Health System is the state's first and largest integrated health-care system, serving nearly one of every three patients in Iowa. Iowa Health System includes hospitals in seven large Iowa communities and in Rock Island and Moline, Ill., a system of hospitals in 14 rural communities and group practices of physicians and clinics in 71 communities in Iowa, Illinois and Nebraska. Iowa Health System has one of the largest workforces in the state, with nearly 20,000 employees and annual revenues of $2 billion. Each year, through more than 1.8 million patient visits, its hospitals and clinics cover virtually every medical specialty and provide a full range of care. Iowa Health System is the seventh largest nondenominational health system in America.