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Joseph E. Barrera MD

Joseph E. Barrera MD

(949) 542-8004
Primary Specialties
  • Endocrinology, Diabetes & Metabolism
  • Additional Languages Spoken

Primary Office

26800 Crown Valley Pkwy #230
Mission Viejo, CA 92691
(949) 542-8004
(949) 364-3682
Web Page:

Physician Bio

Dr. Barrera's interests include intensive management of diabetes, hypertension and lipid disorders.

He is also involved in the management of prediabetic conditions including metabolic syndrome and polycystic ovarian syndrome.

He has been the principal investigator for numerous clinical trials involving the development of new therapies for diabetes, blood pressure and thyroid cancer. He has lectured extensively to physician colleagues and patient groups in the area of cardiovascular risk management and preventive endocrinology.

Prior to joining Mission Internal Medical Group, Dr. Barrera was the Medical Director of the Diabetes Program at Alta Bates Hospital in Berkeley, California and a team physician for the Oakland Athletics baseball team.

He was also a physician consultant for the KRON and KTVU/Fox news stations in the San Francisco Bay Area.


Medical School:
UC Davis, School of Medicine

California Pacific Medical Center - MSO

California Pacific Medical Center - MSO

University of California, San Francisco 1992
  • Board Certified in Endocrinology, Diabetes & Metabolism


American Board of Internal Medicine
Board Certified Endocrinology, 1999
American Assosciation of Clinical Endocrinologists
Endocrine Society

Areas of Interest


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