Rosario (Ruby) Cecilio
Rosario (Ruby) L. Cecilio

Rosario (Ruby) L. Cecilio MD


Family Medicine
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Dr. Cecilio trained for internal medicine in the Philippines before traveling to the U.S. where she felt family medicine would be more appropriate for her so she can provide excellent healthcare to all patients. Patients and their families find comfort in knowing Dr. Cecilio is their greatest advocate for receiving the best healthcare they deserve.

Dr. Cecilio is always trying to make a difference and hence is a member of the state and Los Angeles Medical Association, which puts her in a position to better advocate for both patients and the medical profession.

Office Information

  • 15111 Whittier Blvd #102 Whittier, CA 90603

    Main: 562.945.6440
    Fax: 562.945.9121

Hospital/Group Affiliation

PIH Health Whittier Hospital

PIH Health Physicians





Family Medicine


  • Spanish
  • Tagalog



Whittier Hospital Medical Center (AHMC)

Medical Education

University of the East, Ramon Magsaysay

Accepted Insurance Plans and Physician ID Numbers

  • Aetna - 4131038

  • Anthem Blue Cross (paper/online enrollment) - 0XM054

  • Anthem Blue Cross (Phone Enrollment) - 0021054

  • Blue Shield - 00A465510

  • Blue Shield 65+ - UF0037

  • Blue Shield IPA # - IPA0203GH

  • Health Net - 0613-032264

  • Health Net Senior - 5161-032264

  • Humana - 227562

  • United Healthcare - 0056790140

Accepted insurance plans are subject to change without notice. Please contact your insurance provider and the doctor's office to verify your coverage.