Contact Us
We're here to help. Reach the location nearest you — Ontario, Rialto, or Montebello — below.
Our three locations

Ontario Office
Ontario Clínica Médica Familiar — 403 West F Street, Ontario, CA 91762-3207. Tel: (909) 988-3288. Fax: (909) 988-6767. Email: Ontario@cmfmedical.net. Manager: Mayra Duran.

Rialto Office
Rialto Clínica Médica Familiar — 436 South Riverside Avenue, Rialto, CA 92376-6523. Tel: (909) 877-8868. Fax: (909) 877-0008. Email: Rialto@cmfmedical.net. Manager: Romelia Beltran.

Montebello Office
Clínica Médica Familiar y Dental — 833 W. Whittier Boulevard, Montebello, CA 90640-4735. Tel: (323) 712-4811. Fax: (323) 544-6488. Email: montebello@cmfmedical.net. Manager: Carolina Gomez-Vizcarra.
Office hours
Open weekdays for appointments and walk-ins. Appointments are available Tuesday through Friday — call ahead for the most current schedule at your local clinic. Hours may vary by location.
Need to refer a patient?
Coordinators and clinical staff — sign in to access the referral system.
