Best Endocrinologists in Orange

Expert recommended Top 3 Endocrinologists in Orange, California. All of our endocrinologists face a rigorous 50-Point Inspection, which includes customer reviews, history, complaints, ratings, satisfaction, trust, cost and general excellence. You deserve only the best!


1140 West La Veta Avenue, Suite 420, Orange, CA 92868 Directions

Since 1977

Dr. Samuel Mayeda graduated his medical school at the Medical College of Wisconsin. Dr. Samuel finished an internship at Milwaukee Regional Medical Center. He completed his residency at Baystate Medical Center. Dr. Samuel is affiliated with Hoag Memorial Hospital Presbyterian, Placentia Linda Hospital, St Joseph Hospital. Dr. Samuel specializes in diabetes, pituitary diseases, thyroid diseases & adrenal disorders. He is board-certified in both endocrinology and internal medicine by the American Board of Internal Medicine.

ENDOCRINE MEDICAL GROUP - Management of Insulin Pump Therapy, Thyroid Disease, Blood Pressure Patterns, Minimizing the Complications of Metabolic Syndrome, Types 1 and 2 Diabetes Mellitus, Maximizing Fitness and Vascular Health, Improving Lipid Profiles & Use of Continuous Glucose Sensor Technology

License #C36879

Insurance Accepted


By Appointment

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1310 West Stewart Drive, Suite 215, Orange, CA 92868 Directions

Since 1991

Dr. Michael T. Tran is the medical director of the Southern California Endocrine Medical Group in Orange. He graduated his medical degree at Creighton University School of Medicine in Omaha. Dr. Michael finished a residency in internal medicine at St. Mary-UCLA Medical Center. He did a fellowship at Charles R. Drew University of Medicine and Science. He performs thyroid ultrasound, fine needle aspiration thyroid biopsy, insulin pump management, and a continuous glucose monitor system. His research experience in diabetes has culminated in several publications in the journal Diabetes Care. He is fluent in Vietnamese and medical Spanish.

SOUTHERN CALIFORNIA ENDOCRINE MEDICAL GROUP - Adrenal, Calcium, Obesity and Overweight, Growth, Hypertension, Lipid, Pituitary Gland, Diabetes, Metabolism, Testosterone Problems, Osteoporosis, Thyroid & Endocrine Disorders

One of America's Top Physicians for 2007 and 2009-2016

License #A64366

Insurance Accepted


Mon & Thu 8:30 am - 5:00 pm
Tue & Wed 9:00 am - 5:00 pm
Fri 8:15 am - 5:00 pm
Sat 8:00 am - 1:30 pm
Sun Closed

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725 West La Veta Avenue, Suite 220, Orange, CA 92868 Directions

Since 1972

Dr. Herbert Rettinger graduated his education at St. Louis University School of Medicine. He completed a residency at UCI. He practices at Endocrinology Medical Group Of Orange County in Orange. He has over 48 years of experience in endocrinology. Dr. Herbert specializes in treating thyroid ultrasound and biopsy. He focuses on the intensive management of diabetes by striving for optimal glucose control. Dr. Herbert offers the most up-to-date methods for diabetes management. He accepts new patients.

ENDOCRINOLOGY MEDICAL GROUP OF ORANGE COUNTY, INC. - Osteoporosis, Obesity, Metabolism Diabetes, Menopause, Lipid & Thyroid Disorders

Only endocrinologist in Orange County to win ‘Physician of Excellence’ nine times through 2019.

License #G25017

Insurance Accepted


Mon - Fri 7:30 am - 4:30 pm
Sat & Sun Closed

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