Specialty:
" Dr. Maruja Diaz-Arjonilla holds board certification in internal medicine and endocrinology, diabetes, and metabolism from the American Board of Internal Medicine. She completed her Doctor of Medicine degree and internship at the Universidad Central de Venezuela and resided at UCSF Fresno. Being fluent in Spanish and English, she communicates effectively with her patients. Dr. Maruja Diaz-Arjonilla holds an affiliation with Providence and St. Joseph Heritage Medical Group. She is a member of the American Association of Clinical Endocrinologists and the Endocrine Society. She completed her Fellowship at Harbor, UCLA Medical Center in 2009. She is accepting new patients into her practice.
2026 Highlights: Dr. Maruja Diaz-Arjonilla provides comprehensive care for patients with a variety of endocrine and metabolic conditions, with a focus on accurate diagnosis, individualized treatment, and ongoing disease management. She emphasizes clear communication and patient education throughout the treatment process. "
