A public or private non-profit health care organization that meets certain criteria under the Medicare and Medicaid Programs (respectively, Sections 1861(aa)(4) and 1905(l)(2)(B) of the Social Security Act AND receives funds under the Health Center Program (Section 330 of the Public Health Service Act) (i.e., Community Health Centers, Migrant Health Centers, Healthcare for the Homeless Programs, and Public Housing Primary Care Programs). A detailed explanation of health center program terminology is available from the HRSA website at https://bphc.hrsa.gov/sites/default/files/bphc/about/healthcenterfactsheet.pdf.