Careers With St. Joseph Health

Our Values are more than just words.

They form the heart and soul of St. Joseph Health and are the prime reason we attract and retain high-caliber employees who believe in the sanctity of their work in our faith-based setting.

Recent News

Providence Health & Services Doctors at the Food 4 Less in North Hill

Providence Health & Services Doctors at the Food 4 Less in North Hill

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Covenant Medical Center unveils completed construction projects

Covenant Medical Center unveils completed construction projects

| Contributor: Fox34 Read More
What does

What does "Healthy" actually mean?

| Contributor: OC Catholics Read More

Here you can find news articles and press releases from St. Joseph Health and it's locations.

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.

Giving back to the community. St. Joseph Health System Office

Robert Chang, MD

  • Family Medicine
    (Board Certified)
6340 Irvine Blvd.
Irvine, CA 92620

Primary Office

6340 Irvine Blvd.
Irvine, CA 92620
Get Directions
(949) 559-6500
(949) 559-6510

More Information

Medical Groups & Affiliations
  • Hoag Affiliated Physicians
  • Hoag Medical Group
  • Meet The Doctor

    Specialties & Education

    Primary Specialties
    • Family Medicine
      (Board Certified)
  • Biography



    A Southern California native, Dr. Chang has always had a strong desire to help others which led him to pursue a career in family medicine.

    According to Dr. Chang, “I enjoy partnering with patients and families, guiding them toward healthy lifestyles and improved health.” Dr. Chang excels at managing a diverse patient population and enjoys treating patients of all ages. He appreciates the challenges that each day brings and likes to work hard for his patients.

    Dr. Chang received his medical degree from Loma Linda University. He later completed his residency at the University of California, Irvine (UCI). Dr. Chang is excited to be a part of Hoag Medical Group and provide the high level of quality, service, and patient care that his patients deserve.

    Outside of work, Dr. Chang enjoys spending time with friends and family. His hobbies include board games, reading, and tennis.

  • Insurance Accepted

    Insurance Accepted

    Insurance ID Numbers

    Aetna: *422083
    Blue Cross/CA Care: *YNL111
    Blue Shield: 0A1157380
    Cigna: 9968762002
    Cigna Select: 9968762005
    Health Net: 3620209027
    Health Net Senior: n/a
    United Healthcare: *0279630071
    SCAN: 996-189276

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