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    Ethelwoldo P. Guerrero, MD

    Internal Medicine

    Dr. Guerrero's Overview

    Dr. Guerrero graduated from the University of the Philippines College of Medicine, Manila, Phillipines in 1991. He works in Rocklin, CA and specializes in Internal Medicine. Dr. Guerrero is affiliated with Rideout Regional Medical Center and UC Davis Medical Center.

    Dr. Guerrero's Experience

    Years in Practice: 26

    Dr. Guerrero's Specialties

    Internal Medicine

    Dr. Guerrero's Education & Training

    Medical School: University of the Philippines College of Medicine, Manila, Phillipines; Graduated 1991

    Dr. Guerrero's Rating

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    Overall Rating


    • Explains conditions & treatments
    • Takes time to answer my questions
    • Provides follow-up as needed
    • View All Ratings

    Dr. Guerrero's Accepted Insurance

    Please verify insurance information directly with your doctor's office as it may change frequently.

    • Aetna Choice POS II
    • Aetna Managed Choice POS Open Access
    • Aetna Signature Administrators PPO
    • Anthem BC Pathway X EPO Network
    • BC CA California Care Small Group HMO
    • BCBS Blue Card PPO
    • Blue Cross CA PPO Prudent Buyer Small Group
    • Blue Cross CA Advantage PPO Preferred DirectAccess Plus
    • Blue Cross CA California Care Large Group HMO
    • Blue Cross CA Pathway X HMO
    • View More

    Dr. Guerrero's Office Information & Appointments

    Office Locations

    UC Davis Medical Group

    550 W Ranch View Dr Ste 2005
    Rocklin, CA 95765
    (916) 295-5700


    Office Hours and Information

    Fax: (916) 295-5764

    Practice Website:

    Accepting New Patients: Yes

    Medicare Accepted: Yes

    Medicaid Accepted: No

    Monday 8:00 AM - 5:00 PM
    Tuesday 8:00 AM - 5:00 PM
    Wednesday 8:00 AM - 5:00 PM
    Thursday 8:00 AM - 5:00 PM
    Friday 8:00 AM - 5:00 PM
    Saturday Closed
    Sunday Closed

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    Dr. Guerrero's Hospital Affiliations

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