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    Susan M. O'brien, MD

    Medical Oncology

    • (714) 456-8000

    Dr. O'brien's Overview

    Dr. O'brien graduated from the UMDNJ New Jersey Medical School at Newark in 1980. She works in Orange, CA and specializes in Medical Oncology. Dr. O'brien is affiliated with UC Irvine Medical Center.

    Dr. O'brien's Experience

    Years in Practice: 36

    Procedures Performed by Dr. O'brien

    Dr. O'brien's Specialties

    Medical Oncology

    Dr. O'brien's Education & Training

    Medical School: UMDNJ New Jersey Medical School at Newark; Graduated 1980

    Dr. O'brien'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. O'brien'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 Managed Choice POS
    • Aetna Managed Choice POS Open Access
    • Aetna Savings Plus of CA
    • Aetna Signature Administrators PPO
    • Anthem BC Pathway X PPO Tiered
    • BCBS Blue Card PPO
    • Blue Cross CA PPO Prudent Buyer Small Group
    • Blue Cross CA Advantage PPO Preferred DirectAccess Plus
    • View More

    Dr. O'brien's Office Information & Appointments

    Office Locations

    UCI University Phys/Sgns
    UC Irvine Health Chao Family Comprehensive Cancer Center

    101 The City Dr S Bldg 23
    Orange, CA 92868
    (714) 456-8000


    Office Hours and Information

    Fax: (714) 456-7142

    Practice Website:

    Accepting New Patients: Yes

    Medicare Accepted: Yes

    Medicaid Accepted: Yes

    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. O'brien's Hospital Affiliations

    Office Locations

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