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

St. Joseph Hoag Health Hospitals Rank Among California's Best in Latest U.S. News & World Report's Listings of Best Hospitals

St. Joseph Hoag Health Hospitals Rank Among California's Best in Latest U.S. News & World Report's Listings of Best Hospitals

| Contributor: U.S. News & World Report Read More
Let’s Focus on Maternal Health

Let’s Focus on Maternal Health

| Contributor: Health Leaders Media Read More
St. Joseph Hoag Health Opens New Wellness Corner Inside LA Fitness

St. Joseph Hoag Health Opens New Wellness Corner Inside LA Fitness

| Contributor: St. Joseph Hoag Health 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

Maruja Diaz-Arjonilla,, MD

4.8 out of 5
Specialty
  • Endocrinology, Diabetes & Metabolism
Additional Language Spoken
Spanish
Address
2501 E. Chapman Ave.
Suite 202
Orange, CA 92869
Accepting New Patients
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Primary Office

Address
2501 E. Chapman Ave.
Suite 202
Orange, CA 92869
Get Directions
Phone
(714) 628-3313
Fax
(714) 662-7403

More Information

Website
www.sjhmg.org
Medical Groups & Affiliations
  • St. Joseph Heritage Medical Group

Video

  • Specialties & Education

    Specialties & Education

    Primary Specialties
    • Endocrinology, Diabetes & Metabolism
    Secondary Specialties
    • Internal Medicine
    Education
    • Medical School
      Universidad Central de Venezuela , Caracas, Venezuela - 1990
    • Internship
      Universidad Central de Venezuela , Caracas, Venezuela - 1992
    • Residency
      UCSF - Fresno - Fresno, CA - 2007
    • Fellowship
      Harbor, UCLA Medical Center - Los Angeles, CA - 2009
  • Biography

    Biography

    As an endocrinologist, I care for many conditions including: diabetes, thyroid disease, calcium and metabolism disorders and adrenal and pituitary gland conditions. I practice patient-centered care, emphasizing in two-way communication and patient and family education.
  • 23-Aug-2017
    I like *Dr. Diaz very much. She is very great in explaining and was the one who found my illness of thyroid cancer.
    18-Jul-2017
    #7. All of the...
    29-Jun-2017
    All good. #8. 15 to 20 min.
    26-Feb-2017
    I started to see this doctor not long ago.
    2-Feb-2017
    She super aware of my condition & very thorough.
    13 Total Comments Page 1 2 3   Next
  • More Info

    More Info
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