governmental organization US state Medicaid agency A government organization that administers a given US state's Medicaid program by participating in the creation of insurance policies with eligible people and by participating in some payment of debt for a specified aggregate of health care encounters, specified processes (e.g, treatments, diagnostic tests) that are part of those encounters, and material entities used or prescribed during the encounters (e.g., medicine, prosthetics, glasses). Matthew Diller William R. Hogan