Photo of Maruja D. V. Diaz Arjonilla, MD

Maruja D. V. Diaz Arjonilla, MD

Endocrinology
Accepting New Patients
Offers Video Visits
St. Joseph Heritage Orange - Chapman
2501 East Chapman Avenue, Suite 203
Orange, CA 92869
1959.9 miles away
(714) 628-3230
See all (2) Locations
Medical Groups & Affiliations
St. Joseph Heritage Medical Group
This provider is part of the larger Providence network and you may be able to access providers, hospitals, and services with the following groups:
  • Mission Heritage Medical Group and Affiliated Physicians
  • St. Joseph Heritage Medical Group and Affiliated Physicians
  • St. Jude Heritage Medical Group and Affiliated Physicians
Speaks: English and Spanish
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St. Joseph Heritage Orange - Chapman

2501 East Chapman Avenue, Suite 203, Orange, CA 92869

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About Maruja D. V. Diaz Arjonilla

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.

Medical School

Universidad Central de Venezuela
1990

Internship

Universidad Central de Venezuela
1992

Residency

UCSF - Fresno
2007

Fellowship

Harbor, UCLA Medical Center
2009

Professional Associations
American Association of Clinical Endocrinologists, The Endocrine Society
Board Certifications
  • American Board of Internal Medicine, Endocrinology and Metabolism
St. Joseph Heritage Orange - Chapman
2501 East Chapman Avenue, Suite 203
Orange, CA 92869
St. Joseph Heritage Santa Ana - Suite 304
2212 East 4th Street, Suite 304
Santa Ana, CA 92705
Medical Groups & Affiliations
St. Joseph Heritage Medical Group
Affiliated Locations
Providence St. Joseph Hospital - Orange

Clinical Interests

  • Abnormal Cortisol Level Tests
  • Abnormal Glucose
  • Abnormal Glucose Metabolism
  • Addison's Disease
  • Adrenal Adenoma
  • Adrenal Disorders
  • Adrenal Mass Non Malignant
  • Adrenal Neoplasm
  • Adrenogenital Syndrome
  • Androgen Excess
  • Androgen Insensitivity
  • Calcium Metabolism
  • Carcinoid Syndrome
  • Congenital Hypothyroidism
  • Conn Syndrome
  • Cushing Syndrome
  • Diabetes Education
  • Diabetes Mellitus
  • Ectopic Hyperparathyroidism
  • Endocrine Disorders
  • Feminizing Syndrome
  • Fine Needle Aspiration Of Thyroid
  • Glucagonoma
  • Glucocorticoid Deficiency
  • Goiter
  • Grave's Disease
  • Growth Disorders
  • Growth Hormone Abnormalities
  • Growth Hormone Deficiency
  • Gynecomastia
  • Hashimoto Thyroiditis
  • Hyperaldosteronism
  • Hypercalcemia
  • Hypercholesterolemia
  • Hyperglycemia
  • Hyperglycemic Hyperosmolar Syndrome
  • Hyperparathyroidism
  • Hyperthyroidism
  • Hypocalcemia
  • Hypoglycemia
  • Hypogonadism
  • Hypoparathyroidism
  • Hypopituitarism
  • Hypothalamic Pituitary Disorder
  • Hypothyroidism
  • Insulin Pump
  • Insulin Resistance
  • Insulin Therapy
  • Insulinoma
  • Low Blood Sugar
  • Metabolic Bone Diseases
  • Metabolic Syndrome
  • Multiple Endocrine Neoplasia
  • Myxedema
  • Nodular Goiter
  • Non Toxic Goiter
  • Osteopenia
  • Osteoporosis
  • Panhypopituitarism
  • Parathyroid Disease
  • Parathyroid Hyperplasia
  • Pheochromocytoma
  • Pituitary Adenoma
  • Pituitary Disorders
  • Pituitary Tumor
  • Primary Hyperparathyroidism
  • Pseudohermaphroditism
  • Pseudohypoparathyroidism
  • Radioiodine Therapy
  • Rickets
  • Secondary Hyperaldosteronism
  • Thyroid Cyst
  • Thyroid Disorder
  • Thyroid Hormone Resistance
  • Thyroid Nodule
  • Thyroiditis
  • Thyrotoxic Exophthalmos
  • Thyrotoxicosis
  • Toxic Diffuse Goiter
  • Toxic Nodular Goiter
  • Type 1 Diabetes
  • Type 2 Diabetes
  • Uremic Hyperparathyroidism
  • Vitamin Deficiency
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