Accepting New Patients
Offers Video Visits
Medical Group Provider

Maruja Diaz Arjonilla, MD

4.8 out of 5 (212 Ratings)
Specialty
  • Endocrinology
    (Board Certified)
Languages
Spanish, English
Primary Address | Office Details
St. Joseph Heritage Orange - Chapman Suite 203
2501 East Chapman Avenue
Suite 203

Orange, CA 92869

Phone: (714) 628-3230

Fax: (714) 633-7349

Secondary Address | Office Details
St. Joseph Heritage Santa Ana - Suite 304

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
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to Your Provider
(714) 628-3230

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  • Dr.Diaz has always been concerned with my health and how I've handled myself, with regard to my health! Excellent Dr.! St. Joseph's, Providence should be very proud to have her as part of the Great Team they Provide and she's one of the reasons that They Are Great! Thank you for this opportunity to comment. [Name(s)]
    Excellent
    Dr. Diaz is always helpful and helps me maintain my condition. I trust her care completely.
    My dr Diaz is a wonderful dr t me n im sure with everybody very understandable n (Spanish) y Ella tiene muncho paciencia yo tengo munchos anos y no la cambi?ria por nadie gracias Dra D?az mi nombre es [Name(s)]
    To say Dr. Diaz is the BEST is an understatement. I love her! She goes above and beyond and I full trust her with my care.
    68 Total Comments Page 1 2 3 4 5 6 7 8 9 10 11 12 13 14   Next
  • Meet The Provider
    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. Read More
    Primary Specialties
    Primary Specialties
    • Endocrinology
      (Board Certified)
    Other Specialties
    Other Specialties
    • Internal Medicine
    Associations
    Associations
    • American Association of Clinical Endocrinologists
    • The Endocrine Society
    Areas of Interest
    Areas of Interest
    Diabetes, Osteoporosis, Autoimmune Disorders, Thyroid Disorders, Endocrine Disorders
    Certifications
    Board Certifications

    American Board of Internal Medicine, Endocrinology and Metabolism

    Education
    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
  • Insurance Accepted

    Insurance Accepted

    • Insurance Plan

    • Aetna HMO
    • Aetna Medicare Advantage HMO
    • Aetna Medicare Advantage PPO
    • Aetna PPO
    • Anthem Blue Cross HMO
    • Anthem Blue Cross Medicare Advantage
    • Anthem Blue Cross Medicare PPO
    • Anthem Blue Cross PPO
    • Blue Shield of CA HMO
    • Blue Shield of CA HMO – Trio
    • Blue Shield of CA Medicare Advantage
    • Blue Shield of CA PPO
    • Choice /Humana PPO
    • Cigna HMO
    • Cigna PPO
    • Coventry/First Health PPO
    • Health Net - TriCare
    • Health Net HMO
    • Health Net Medicare Advantage
    • Health Net PPO
    • HealthSmart (Interplan) PPO
    • Multiplan PPO
    • Providence Medicare Advantage
    • SCAN Medicare Advantage
    • United Healthcare HMO
    • United Healthcare Medicare Advantage
    • United HealthCare PPO
    • US Family Health Plan - TriCare
    • Vivity by Anthem Blue Cross
 

St. Joseph Heritage Orange - Chapman Suite 203

Website Information
www.sjhmg.org

 
  • Secondary Location

St. Joseph Heritage Santa Ana - Suite 304