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Dr. John Fonmin, MD

Dr. John Fonmin, MD

Family Medicine*
55+ years of experience

Dr. John Fonmin, MD is a family medicine physician in Diamond Bar, CA and has over 55 years of experience in the medical field. He graduated from Carol Davila University of Medicine and Pharmacy in 1966. He is affiliated with Providence St. Jude Medical Center.

Jonathan Ou, MD

2707 S Diamond Bar Blvd Diamond Bar, CA 91765

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About Me

biography

Dr. John Fonmin, MD is a family medicine physician in Diamond Bar, CA and has over 55 years of experience in the medical field. He graduated from Carol Davila University of Medicine and Pharmacy in 1966. He is affiliated with Providence St. Jude Medical Center.
  • Family Medicine

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  • Carol Davila University Of Medicine And Pharmacy

    Medical School, 1966
For detailed information about any of the below board actions, please search for the provider's records on the linked state licensing board or the Federation of State Medical Boards. To learn more about the difference between these sources, please refer to our FAQs.
Healthgrades has not received any data indicating a board action exists for this provider.
  • English

  • Chinese

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Locations

Jonathan Ou, MD

Jonathan D OU MD Inc.2707 S Diamond Bar Blvd Diamond Bar, CA 91765
1

Affiliated Hospitals

  • Providence St. Jude Medical Center

    101 E Valencia Mesa Dr
    Fullerton, CA 92835
    Recipient of 21
    hospital awards

    America’s 50 Best Hospitals for Surgical Excellence Award™ (2025, 2024)

    Top 5% in the nation for consistently delivering clinical quality

    America's 100 Best Hospitals Award™ (2023)

    Top 5% in the nation for consistently delivering clinical quality

    View all awards

    How patients felt about the care they received at this hospital.

    86%
    Patients said they were given information about recovering at home

    2% higher than the national average

    77%
    Patients who gave a rating of 9 or 10

    11% higher than the national average

    View all patient feedback
Learn more about how Healthgrades measures Hospital Quality