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    Dr. Jonathan S. Hernandez, MD

    Family Medicine

    Dr. Hernandez's Overview

    Dr. Hernandez graduated from the University of the East - Ramon Magsaysay Memorial Medical Center, Quezon City, Philippines in 2000. He works in Napa, CA and specializes in Family Medicine. Dr. Hernandez is affiliated with Kaiser Permanente Vallejo Medical Center.

    Dr. Hernandez's Experience

    Years in Practice: 16

    Procedures Performed by Dr. Hernandez

    Dr. Hernandez's Specialties

    Family Medicine

    Dr. Hernandez's Education & Training

    Medical School: University of the East - Ramon Magsaysay Memorial Medical Center, Quezon City, Philippines; Graduated 2000

    Dr. Hernandez's Rating

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    Overall Rating


    • Explains conditions & treatments
    • Takes time to answer my questions
    • Provides follow-up as needed
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    Dr. Hernandez's Accepted Insurance

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

    • Kaiser Permanente

    Dr. Hernandez's Office Information & Appointments

    Office Locations

    Kaiser Permanente Medical Group

    3285 Claremont Way
    Napa, CA 94558
    (707) 258-2500


    Office Hours and Information

    Fax: (707) 258-4497

    Practice Website:

    Accepting New Patients: Yes

    Medicare Accepted: Yes

    Medicaid Accepted: Yes

    Monday 8:30 AM - 5:00 PM
    Tuesday 8:30 AM - 5:00 PM
    Wednesday 8:30 AM - 5:00 PM
    Thursday 8:30 AM - 5:00 PM
    Friday 8:30 AM - 5:00 PM
    Saturday 8:00 AM - 5:00 PM
    Sunday 8:00 AM - 5:00 PM

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