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Mark Joseph Fredrick, MD

Mark Joseph Fredrick, MD

Please contact to confirm appointment availability

Optum Provider

Please contact to confirm appointment availability

Specialty

Internal Medicine

Languages

English

Seeing patients at

Patient Reviews

Patient review summary

Learn about our survey

5

4

3

2

1

4.7

64 reviews

    • Reviewed on May 30, 2026
    • Verified Review

    Dr. Fredrick is very knowledgeable and fiendly, polite and courteous, making you feel at ease while discussing your health condition.

    • Reviewed on May 25, 2026
    • Verified Review

    He is the best doctor.

    • Reviewed on May 21, 2026
    • Verified Review

    Because he has taken good care of me for the past 18 years and I feel comfortable with him. When he goes, I go.

    • Reviewed on May 19, 2026
    • Verified Review

    Dr. Fredrick is always pleasant and courteous during our visit which puts me at ease. He’s easy to talk to in regard to my health concerns.

    • Reviewed on May 19, 2026
    • Verified Review

    He is very patient and caring

    • Reviewed on May 18, 2026
    • Verified Review

    Friendly, informed, professiional. Made eye contact when listening and speaking. Listened and was not rushed. Gave good advice.

    • Reviewed on May 17, 2026
    • Verified Review

    He has been my physician for 25+ years and have always been pleased with his care.

    • Reviewed on May 4, 2026
    • Verified Review

    Mark has been my physician for many years and has successfully treated many conditions that have arisen. I think that he is an excellent physician and diagnostician. Fortunately his office is nearby, but I would travel as far as it would take in order to be treated by him.

    • Reviewed on Apr 24, 2026
    • Verified Review

    Best doctor i ever have

    • Reviewed on Apr 22, 2026
    • Verified Review

    I already provided this response in the previous comments box.

    • Reviewed on Apr 22, 2026
    • Verified Review

    Because

    • Reviewed on Apr 22, 2026
    • Verified Review

    Appears to be relatively competent. He has taken way too long to provide a referral for an MRI and an ENT

    • Reviewed on Apr 21, 2026
    • Verified Review

    Very good doctor

    • Reviewed on Apr 17, 2026
    • Verified Review

    Listens to your concerns

    • Reviewed on Apr 16, 2026
    • Verified Review

    Caring, listens, responds to concerns and offers effective treatment. I feel very comfortable with him, and I don't feel rushed.

    • Reviewed on Apr 7, 2026
    • Verified Review

    Friendly and couteous

    • Reviewed on Mar 15, 2026
    • Verified Review

    Dr. Fredrick is a class act and fantastic MD.

    • Reviewed on Mar 12, 2026
    • Verified Review

    He is very personable and listens to our needs. Shares the possibilities of treatment and therapy. Makes followup calls to check up on how we are doing.

    • Reviewed on Mar 5, 2026
    • Verified Review

    He is knowledgeable, friendly, and caring!

    • Reviewed on Mar 2, 2026
    • Verified Review

    The rating I gave was for the way Optum takes our telephone calls. Dr. Fredrick has always been very good asks questions and always sees that you understants them .I .wou;d always recommend him.

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  • About Mark Joseph Fredrick, MD

    Mark Fredrick, MD, is board certified in internal medicine. Dr. Fredrick earned his medical degree from Indiana University School of Medicine. He completed his internship and residency at Los Angeles County-USC Medical Center. In his spare time, Dr. Fredrick enjoys bicycling, photography and traveling. In addition to English, he speaks medical Span ish.

    Gender

    Male

    Board certifications

    American Board of Internal Medicine

    Licenses

    CA, G67380

    Employed or contracted

    Employed

    Network Name

    OptumCare HealthCarePartners California

    NPI

    1518964998

    Hospital affiliations

    Orange Coast Medical Center

  • Medical School

    • LAC & USC Medical Center

      1989

    Internship

    • Los Angeles General Medical Center

      1988