indian health service By chapoguzman Period: 1920 to 1930 Indian hospitals were racially segregated hospitals 1950 federal government terminated legal obligations to Indian tribes so they relocated 1955 a year after the transfer of native american health services Period: 1960 to 1966 urban Indian community leaders began advocating for culturally appropriate health programs Period: 1966 to 1973 Congress appropriated funds for a pilot urban Indian clinic and study Indian health needs 1970 IHS publications appeared with greater frequency Period: 1970 to 1980 most Indian hospitals closed or were converted Period: 1976 to 2022 Congress passed Indian Health Care Improvement Act