Dr. John Fonmin, MD
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 91765Compare with other Family Medicine Physicians
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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
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Jonathan Ou, MD
Affiliated Hospitals
- Recipient of 21
hospital awardsAmerica’s 50 Best Hospitals for Surgical Excellence Award™ (2025, 2024)
Top 5% in the nation for consistently delivering clinical quality
View all awardsAmerica's 100 Best Hospitals Award™ (2023)
Top 5% in the nation for consistently delivering clinical quality
View all patient feedbackHow patients felt about the care they received at this hospital.
86%Patients said they were given information about recovering at home2% higher than the national average
77%Patients who gave a rating of 9 or 1011% higher than the national average
Compare with other Family Medicine Physicians
Compare Dr. Fonmin with our nearby Family Medicine Physicians at Optum California Affiliates.