Humana Inc. is a private health insurers in the U.S. with a focus on administering Medicare Advantage plans. The company specializes in government-sponsored programs, with nearly all its medical membership coming from individual and group Medicare Advantage, Medicaid programs, along with the military's Tricare program. Humana also offers prescription drug plans, employer-based plans, and other healthcare services. Humana was founded in 1961 and is headquartered in Louisville, KY.