b'The Indian Health Service (IHS), an agency within INDIANtheDepartmentofHealthandHumanServices, HEALTH SERVICE is responsible for providing federal health services to American Indians and Alaska Natives.LEADERSHIPThe provision of health services to members of federally-recognized tribes grew out of the special government-to-government relationship between the federal government and Indian tribes.The IHS is the principal federal health care provider and health advocate for Indian people, and its goal is to raise their health status to the highest possible level. The IHS provides a comprehensive healthRoselyn Tso Benjamin SmithDirector Deputy Directorservice delivery system for American Indians and Alaska Natives.Members of 567 federally recognized American Indian and Alaska Native Tribes and their descendants are eligible for services provided by the Indian Health Service. The IHS provides a comprehensive health service delivery system for approximately 2.2 million of the nations estimated 3.7 million American Indians and Alaska Natives. Loretta Christensen, M.D. Capt. Carmen ClellandChief Medical Officer Chief of Staff160the directory INDIAN HEALTH SERVICE'