Not Accepting New Patients

Jonathan Ou, MD

  • Internal Medicine
    (Board Certified)
  • Pediatrics
    (Board Certified)
Spanish, Chinese - Mandarin, Chinese - Cantonese, English
Primary Address | Office Details
Jonathan Ou, MD
2707 South Diamond Bar Boulevard
Suite 104

Diamond Bar, CA 91765

Phone: (909) 594-8331

Fax: (909) 869-6631

Medical Groups & Affiliations
  • St. Jude Affiliated Physicians
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(909) 594-8331
  • Meet The Provider

    As an Internal Medicine and Pediatrics physician, I believe the best foundation of good health care is evidence-based practice, continuity of care, and patient empathy. Maintaing good relations with colleagues is also of vital importance, thus emphasizing the need for frequent and clear communication.

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    Primary Specialties
    Primary Specialties
    • Internal Medicine
      (Board Certified)
    • Pediatrics
      (Board Certified)
    Other Specialties Associations
    Education & Training
    • Medical School
      Keck USC School of Medicine
    • Internship
      Loma Linda University
    • Residency
      Loma Linda University
  • Insurance Accepted

    Insurance Accepted

    Insurance Plan

    • Aetna HMO
    • Anthem Blue Cross HMO
    • Anthem Blue Cross Medicare Advantage
    • Blue Shield of CA HMO
    • Blue Shield of CA Medicare Advantage
    • Cigna HMO
    • Cigna HMO - Select
    • Clever Care Health Plan
    • Health Net HMO
    • Health Net Medicare Advantage
    • Oscar EPO
    • SCAN Medicare Advantage
    • United Healthcare HMO
    • United Healthcare Medicare Advantage
    • Vivity by Anthem Blue Cross
    • Insurance Plan: HMO PCP ID

      Aetna: *691732
      Anthem Blue Cross: 0DL213
      Anthem Blue Cross Medicare: 03210392
      Blue Shield: *100189801004
      Cigna: 8982226004
      Cigna Select: 8982226006
      Health Net: 3206195883
      SCAN Medicare: 865-164629
      United Healthcare: *0183440070

      *Provider ID is the same for both HMO and Medicare Advantage Plans

  • Primary Location

Jonathan Ou, MD