Program Information St. John???s Community Health started as a one-room, volunteer-run pediatric health clinic in 1964. Today, it is one of the largest non-profit healthcare providers in Los Angeles County: a Federally Qualified Health Center serving patients of all ages at 20 locations.St. John???s strives for health equity by addressing the health care needs of low-income, uninsured, and under-insured people in Central/South Los Angeles and Compton.