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    John Brennan Cassidy

    MD

    John Brennan Cassidy, MD

    Schedule a visit

    Call

    (949) 610-5599

    About Dr. John Brennan Cassidy

    Specialties

    Family Medicine

    Focus areas

    Family Medicine

    Location

    Newport Beach

    120 Tustin Ave ste C, Newport Beach, CA 92663 Phone: (949) 610-5599 • Fax: (949) 645-2850

    Accepting new patients

    No

    Hoag affiliations

    Languages

    English

    Background

    Certification

    American Board of Family Medicine

    Family Medicine

    Education

    Medical Education

    Medical Doctor, University of Louisville School of Medicine

    Internship

    Rotating, UCI Health Orange

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