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About St. Joseph Health

SJH provides a full range of care facilities including 16 acute care hospitals, home health agencies, hospice care, outpatient services, skilled nursing facilities, community clinics and physician groups. All of our hospital and home health entities are accredited by the Joint Commission. In our award-winning facilities, SJH maintains a "continuum of care," matched to the diverse needs of the urban centers, smaller cities and rural communities who depend on us every day.

Jonathan Ou, MD

4.7 out of 5 (53 Ratings)
Specialty
  • Internal Medicine
    (Board Certified)
  • Pediatrics
    (Board Certified)
Additional Language Spoken
Spanish, Chinese - Mandarin, Chinese - Cantonese, English
Medical Groups & Affiliations
  • St. Jude Affiliated Physician
  • St. Jude Affiliated Physicians
Address
2707 South Diamond Bar Boulevard
Suite 104
Diamond Bar, CA 91765

Primary Office

Address
2707 South Diamond Bar Boulevard
Suite 104
Diamond Bar, CA 91765
Get Directions
Phone
(909) 594-8331
Fax
(909) 869-6631

More Information

  • Meet The Doctor

    Specialties & Education

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

    Biography

    Biography

    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.

  • Insurance Accepted

    Insurance Accepted

    Insurance ID Numbers

    Aetna: *691732
    Blue Cross: *0DL213
    Blue Shield: 00A1131760
    CIGNA: 8982226004
    CIGNA Select: 8982226006
    Health Net: 3206195883
    Health Net Senior: n/a
    SCAN: n/a
    United Healthcare: *0183440070

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

  • 10-Sep-2019
    I am very happy with the doctor. He cares about my health.
    2-Sep-2019
    We would recommend to other people.
    24-Aug-2019
    Primary doctor does not communicate with specialist and was not aware of pain endured by me. Communication of health results from labs is not effective because *Dr. Ou & specialist and cardiologist.
    11-Aug-2019
    I always have good experiences related to my provider and team.
    6-Aug-2019
    Good relationship with my provider - very happy & satisfied with staff.
    17 Total Comments Page 1 2 3 4   Next