Humana Inc., together with its subsidiaries, operates as a health and well-being company in the United States. The company operates through three segments: Retail, Group, and Healthcare Services. The Retail segment offers Medicare benefits, as well as commercial fully-insured medical and specialty health insurance benefits, including dental, vision, and other supplemental health and financial protection products directly to individuals or through group accounts. This segment also has contract with Centers for Medicare and Medicaid Services to administer the Limited Income Newly Eligible Transition prescription drug plan program; and contracts with various states to provide Medicaid, dual eligible, and long-term support services benefits. The Group segment offers commercial fully-insured medical and specialty health insurance benefits comprising dental, vision, and other supplemental health and voluntary insurance benefits; and administrative services only products, and health and wellness products to employer groups. It also provides military services, such as TRICARE South Region contract. The Healthcare Services segment offers pharmacy solutions, provider services, home based services, clinical programs, and predictive modeling and informatics services to its health plan members, as well as to third parties. The company also provides closed-block long-term care insurance policies. As of December 31, 2016, it had approximately 14.2 million members in medical benefit plans, as well as approximately 7.0 million members in specialty products. Humana Inc. was founded in 1961 and is headquartered in Louisville, Kentucky.