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Dr. Ruiz is on Doximity

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  • Office

    403 W F St
    Ontario, CA 91762
    Phone+1 909-988-3288
    Fax+1 909-988-6767

Education & Training

  • Charles R Drew University of Medicine and Science, College of Medicine
    Charles R Drew University of Medicine and Science, College of MedicineResidency, Internal Medicine, 1982 - 1985
  • David Geffen School of Medicine at UCLA
    David Geffen School of Medicine at UCLAClass of 1982

Certifications & Licensure

  • CA State Medical License
    CA State Medical License 1984 - 2026

Other Languages

  • Spanish