Humana Inc. operates as a health care company that offers a range of insurance products and health and wellness services that incorporate an integrated approach to lifelong well-being. Its Retail segment provides Medicare and commercial fully-insured medical and specialty health insurance benefits, including dental, vision, and other supplemental health and financial protection products to individuals. The company’s Employer Group segment offers Medicare and commercial fully-insured medical and specialty health insurance benefits, as well as administrative services to employer groups. Its Health and Well-Being services segment provides primary care, pharmacy, integrated wellness, and home care services to members enrolled in its health plan, as well as to third parties that promote health and wellness. The company’s other businesses category consists of military services, primarily its TRICARE south region contract that provides health insurance coverage to the dependents of active duty and retired military personnel, and their dependents; Medicaid, a federal program to facilitate the delivery of health care services primarily to low-income residents; and closed-block long-term care businesses, as well as contract with Centers for Medicare and Medicaid Services (CMS) to administer the LI-NET program, which allows individuals to receive immediate prescription drug coverage. As of December 31, 2011, Humana Inc. had approximately 11.2 million members enrolled in medical benefit plans; and approximately 7.3 million members enrolled in specialty products programs. The company was founded in 1961 and is headquartered in Louisville, Kentucky.