CareSource is a nonprofit health plan that provides managed care services to individuals and families in Ohio, Kentucky, Indiana, and West Virginia. The company was founded in 1989 and is headquartered in Dayton, Ohio. CareSource offers a variety of health insurance plans, including Medicaid, Medicare Advantage, and Marketplace plans. The company is committed to improving the health and well-being of its members and invests in programs and services that promote healthy living. CareSource is one of the largest Medicaid managed care plans in the United States.