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Danny Lock, MD

Danny Lock, MD

Please contact to confirm appointment availability

Optum Provider

Please contact to confirm appointment availability

Specialty

Family Medicine, Geriatric Medicine (Family Medicine)

Languages

English

Seeing patients at

Patient Reviews

Patient review summary

Learn about our survey

5

4

3

2

1

4.7

73 reviews

    • Reviewed on May 30, 2026
    • Verified Review

    He's about the only reason I stay up and he's very conscientious and kind

    • Reviewed on May 30, 2026
    • Verified Review

    Dr. Lock is very thorough and takes his time

    • Reviewed on May 29, 2026
    • Verified Review

    I like the way he treats me.

    • Reviewed on May 24, 2026
    • Verified Review

    I have been Dr Lock’s patient for 20 years. I feel very comfortable being under his care.

    • Reviewed on May 16, 2026
    • Verified Review

    Always helpful

    • Reviewed on May 15, 2026
    • Verified Review

    24 years of quality care! He talks to me about my health and fully explains test results.

    • Reviewed on May 11, 2026
    • Verified Review

    Understands my medical needs. Very easy to communicate with him.

    • Reviewed on May 8, 2026
    • Verified Review

    Danny Lock is the best! He has been my primary care doctor for over twenty years. he takes his time and answers all my questions. very easy to get along with!

    • Reviewed on May 2, 2026
    • Verified Review

    very good

    • Reviewed on Apr 30, 2026
    • Verified Review

    I chose Dr. Lock to begin with because I live 2 blocks from his office, He is extremely knowledgeable patient with me and throughour with the info

    • Reviewed on Apr 30, 2026
    • Verified Review

    He’s thorough and shows an abundance of concern for your ailments

    • Reviewed on Apr 26, 2026
    • Verified Review

    Dr. Lock is always kind. He listens and answers my questions and explains everything. He is professional and knowledgeable and I have every confidence in him.

    • Reviewed on Apr 17, 2026
    • Verified Review

    Caring and professional

    • Reviewed on Apr 15, 2026
    • Verified Review

    Dr Lock is very caring. He takes his time to listen to your concerns. Makes sure that all your questions are answered. He’s a very nice physician.

    • Reviewed on Apr 12, 2026
    • Verified Review

    Dr Lock is approachable and Down to Earth .. He shows concern with regard to ones questions .He is easy to talk to in spite of his busy schedule and manages it well. He is one of a kinds!

    • Reviewed on Apr 4, 2026
    • Verified Review

    Thorough

    • Reviewed on Apr 3, 2026
    • Verified Review

    Dr lock is the only one I trust. I’m very happy with him

    • Reviewed on Mar 29, 2026
    • Verified Review

    I have been with DR Locke for about thirty years or more

    • Reviewed on Mar 27, 2026
    • Verified Review

    He has been my provider for many years, and continues to make sure I have the best continual care.

    • Reviewed on Mar 6, 2026
    • Verified Review

    He's the best! Professional, interested in me, puts the patient first. A really nice man a d excellent physician.

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  • About Danny Lock, MD

    Danny Lock, MD, is board certified in family medicine. Dr. Lock earned his medical degree from the Universidad Autonoma de Guadalajara School of Medicine in Mexico. He completed two internships: one at LA County-USC Medical Center, and another at UC Irvine Medical Center. He also completed a residency through the USC Family Medicine Residency Progr am. Dr. Lock really cares about families; that is why he chose family medicine as his medical specialty. He sees a wide variety of patients from children to seniors, and gives them each the attention and time they need. In his spare time, Dr. Lock enjoys spending time with his family and friends. In addition to English, he speaks fluent Spanish.

    Gender

    Male

    Board certifications

    American Board of Family Medicine

    Licenses

    CA, A36304

    Employed or contracted

    Employed

    Network Name

    OptumCare HealthCarePartners California

    NPI

    1144280348

    Hospital affiliations

    Pomo Valley Hospital Medical Center,Emate Health,San Dimas Community Hospital

  • Medical School

    • Univ of California Irvine Medical Center

      1978

    Residency

    • USC CA Med Center/Family Practice

      Family Medicine

      1981

    Internship

    • LAC/USC

      1980