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

Address
St. Joseph Heritage Santa Ana - Suite 304
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.

Secondary Office

Address
2501 East Chapman Avenue
Suite 202
Orange, CA 92869
Phone
(714) 628-3230
Fax
(714) 633-7403
Hours
714-628-3330

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.
  • 10-Nov-2019
    I did not need a referral
    17-Sep-2019
    this was my first visit. Nothing to say at this moment, maybe later.
    13-Sep-2019
    I was very impressed of the quality of attention and concern they showed while my visits.
    18-Jul-2019
    Very pleased with care from *Dr. Diaz. This was my first visit with her. Previous care by *Dr. Rhie - he semi-retired. Will miss him a lot.
    9-Jul-2019
    This was my first visit and so far she seems very knowledgeable and proactive with my health concerns.
    24 Total Comments Page 1 2 3 4 5   Next
  • More Info

    More Info
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