Free & Low-Cost Clinics in Ontario, CA

8 federally funded community health centers in Ontario. These centers offer primary care on a sliding fee scale based on your income. Call ahead to confirm services and eligibility.

Last updated July 8, 2026.

• Friends of Family Health Center - 1129 W. 4th Street, Ontario

  Operated by Friends of Family Health Center

  1129 W Fourth St

  Ontario, CA 91762-1703
  (909) 363-9300DirectionsWebsite

• Ontario

  Operated by Pomona Community Health Center

  1556 S Sultana Av

  Ontario, CA 91761-4238
  (909) 630-7927Directions

• Ontario Archibald

  Operated by Pomona Community Health Center

  2680 E Riverside Dr

  Ontario, CA 91761-7307
  (909) 630-7939Directions

• Ontario Health Center

  Operated by San Bernardino Public Health

  150 E Holt Blvd

  Ontario, CA 91761-1613
  (909) 458-9447DirectionsWebsite

• Ontario Maple Head Start

  Operated by San Bernardino Public Health

  555 W Maple St

  Ontario, CA 91762-5734
  (909) 984-4117DirectionsWebsite

• Unicare Community Health Center - Ontario 1151

  Operated by Unicare Community Health Center, Inc

  1151 E Walnut St

  Ontario, CA 91761-6155
  (909) 467-1425Directions

• Unicare Community Health Center, Inc.

  Operated by Unicare Community Health Center, Inc

  437 N Euclid Ave

  Ontario, CA 91762-3456
  (909) 988-2555DirectionsWebsite

• Unicare-Ontario Hq Expanded

  Operated by Unicare Community Health Center, Inc

  123 W E St

  Ontario, CA 91762-3400
  (909) 988-2555DirectionsWebsite

← All clinics in California