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    Dr. John D. O'Holleran, MD

    General Surgery

    • (650) 593-0965

    Dr. O'Holleran's Overview

    Dr. O'Holleran graduated from the University of Nebraska College of Medicine in 1987. He works in San Carlos, CA and specializes in General Surgery. Dr. O'Holleran is affiliated with Mills Peninsula Health Services, Mills Peninsula Health Services and Sequoia Hospital.

    Dr. O'Holleran's Experience

    Years in Practice: 29

    Dr. O'Holleran's Specialties

    General Surgery

    Dr. O'Holleran's Education & Training

    Medical School: University of Nebraska College of Medicine; Graduated 1987

    Dr. O'Holleran'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. O'Holleran's Accepted Insurance

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

    • Aetna Choice POS II
    • Aetna HMO
    • Aetna HMO Deductible Plan CA only
    • Aetna Managed Choice POS
    • Aetna Managed Choice POS Open Access
    • Aetna Signature Administrators PPO
    • 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
    • View More

    Dr. O'Holleran's Office Information & Appointments

    Office Locations

    OHolleran & OHolleran Mds

    1303 San Carlos Ave
    San Carlos, CA 94070
    (650) 593-0965


    Office Hours and Information

    Fax: (650) 593-2379

    Practice Website: Not Available

    Accepting New Patients: Yes

    Medicare Accepted: Yes

    Medicaid Accepted: Yes

    Monday 10:00 AM - 6:00 PM
    Tuesday 10:00 AM - 6:00 PM
    Wednesday 10:00 AM - 6:00 PM
    Thursday 10:00 AM - 6:00 PM
    Friday 10:00 AM - 6:00 PM
    Saturday Closed
    Sunday Closed

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    Office Locations

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