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Maruja Diaz-Arjonilla, MD

4.7 out of 5 (109 Ratings)
  • Endocrinology
    (Board Certified)
Spanish, English
Primary Address | Office Details

2212 East 4th Street

Suite 304

Santa Ana, CA 92705

Phone: (714) 288-3230

Fax: (714) 571-7719

Medical Groups & Affiliations
  • St. Joseph Heritage Medical Group
  • St. Joseph Hospital Affiliated Physicians
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to Your Provider
(714) 288-3230

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  • it's a great experience with doctor.
    Always a thorough insight into my condition. Highly recommend.
    I had a great experience, Dr. Diaz is knowledgeable, and educated me about my issues, she has people skills, treated me with respect, and educated me about my issue. I am pleased with Dr. Diaz's services. Finally I meet an Speciallst that does not carry a chip on her shoulder. I have recommended Dr. Diaz to my friends.
    Happy with doctor
    very good experience and very comfortable with doctor.
    19 Total Comments Page 1 2 3 4   Next
  • Meet The Provider
    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. Read More
    Primary Specialties
    Primary Specialties
    • Endocrinology
      (Board Certified)
    Other Specialties
    Other Specialties
    • Internal Medicine
    • American Association of Clinical Endocrinologists
    • The Endocrine Society
    Areas of Interest
    Areas of Interest
    Diabetes, Osteoporosis, Autoimmune Disorders, Thyroid Disorders, Endocrine Disorders
    Board Certifications

    American Board of Internal Medicine, Endocrinology Diabetes and Metabolism

    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
  • Primary Location

St. Joseph Heritage Santa Ana - Suite 304

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

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