Sun Health Corporation provides healthcare services. It offers residential and home-delivered healthcare and related services to west Valley communities. It provides services in the areas of obstetrics, newborn services, cardiology, and orthopedics. The company operates serves western Maricopa County communities, including El Mirage, Litchfield Park, Peoria, Sun City, Sun City West, Surprise, Wickenburg, and Youngtown. It also operates a research institute that investigates diseases, such as Alzheimer's and Parkinson's, as well as a nursing school. In addition, the company offers insurance options. Sun Health Corporation is based in Sun City, Arizona. As of November 1, 2006, Sun Health Corporation is a subsidiary of Amedisys Inc.