1. Facility located in a medically underserved area that provides Medicare beneficiaries preventive primary medical care under the general supervision of a physician. 2. Health center that has been approved by the government for a program to give low-cost health care. Medicare pays for some health services in FQHCs that are not usually covered such as preventive care. FQHCs include community health centers, tribal health clinics, migrant health services, and health centers for the homeless. Also called federally qualified health clinic (FQHC) .