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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.

Maruja Diaz-Arjonilla, MD

4.8 out of 5 (79 Ratings)
Specialty
  • Endocrinology
    (Board Certified)
Additional Language Spoken
Spanish, English
Medical Groups & Affiliations
  • St. Joseph Heritage Medical Group
Address
St. Joseph Heritage Medical Group
2212 East 4th Street
Suite 304
Santa Ana, CA 92705
Accepting New Patients
HealthCalling
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Primary Office

Address
St. Joseph Heritage Medical Group
2212 East 4th Street
Suite 304
Santa Ana, CA 92705
Get Directions
Phone
(714) 288-3230
Fax
(714) 571-7719
Hours
M, Tu, Wed, Fri: 8 a.m. - 5 p.m. Thu: 8 a.m. - 12 p.m.

More Information

Website
www.sjhmg.org

Video

  • Meet The Doctor

    Specialties & Education

    Primary Specialties
    • Endocrinology
      (Board Certified)
    Secondary Specialties
    • Internal Medicine
      (Board Certified)
    Education & Training
    • Medical School
      Universidad Central de Venezuela - 1990
    • Internship
      Universidad Central de Venezuela - 1992
    • Residency
      UCSF - Fresno - 2007
    • Fellowship
      Harbor, UCLA Medical Center - 2009
    Areas of Interest
    Diabetes, Osteoporosis, Autoimmune Disorders, Thyroid Disorders, Endocrine Disorders
  • Biography

    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.
  • 31-May-2019
    Dr. Diaz is an amazing endocrinologist.
    25-May-2019
    Dr. Diaz was very informative. she gave me good feedback and suggestion.
    19-May-2019
    Dr. Diaz and staff always show that they care about their patients.
    16-May-2019
    all is good with all my doctors and the care I get from them
    14-May-2019
    Bad experiences.
    20 Total Comments Page 1 2 3 4   Next
  • More Info

    More Info
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