http://www.hrsa.gov/hillburton/hillburtonfacilities.htm
Health Resources and Services Administration, U.S. Department of Health and Human Services
A directory of over 1,000 facilities in the United States and its territories that participate in the Hill-Burton free health care program as of January 200. Each entry includes ID number, facility name, phone number, and address. This directory is made available through the office of Health Resources and Services Administration, U.S. Department of Health and Human Services.