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John M. Gilbert, MD
Practice accepting new patients.

John M. Gilbert, MD

(714) 446-5640
Primary Specialties
  • Endocrinology, Diabetes & Metabolism
    (Board Certified)
Secondary Specialties
  • Internal Medicine
    (Board Certified)
Medical Groups & Affiliations
  • St. Jude Affiliated Physician
  • St. Jude Heritage Medical Group

Primary Office

100 E. Valencia Mesa Dr.
Suite 105
Fullerton, CA 92835
(714) 446-5640
(714) 446-5468
Recommend this Physician Request an Update for this Physician
4.7 out of 5 (207 Ratings | 26 Comments)


Being a first time patient left a very good impression.
Very informative.
The only hesitancy is that I ALWAYS have long waits for appts as the doctor never keeps to his schedule.
Dr Gilbert is good.
Dr Gilbert airways shows so much concern for my over all health even though he is a specialist. I have grown to rely on him for many of my health needs, and he always helps the best he can
26 Total Comments Page 1 2 3 4 5 6   Next

Physician Bio

A love of teaching and a desire to help people live happier and healthier lives inspired me to become a physician. I care for the person as well as the disease, and my work in clinical research trials ensures patients have access to the newest treatment options. Over the years I have found that successful treatment is a result of working in partnership with my patients. Together, we can prevent a variety of conditions and related complications, as well as achieve a healthier lifestyle.

To further advance the treatment of endocrine disorders, I serve as Medical Director of Clinical Trials at St. Jude Heritage Healthcare, speak nationally on the latest innovations, and participate on St. Jude Medical Center’s committee to improve diabetes care.


  • Medical School:
    Downstate Medical School - New York, NY
  • Internship:
    St. Mary's Hospital - Rochester, NY
  • Residency:
    St. Mary's Hospital - Rochester, NY
  • Fellowship:
    State University of New York at Stonybrook - New York, NY
  • Board Certified in Endocrinology, Diabetes & Metabolism
  • Board Certified in Internal Medicine

Areas of Interest

  • Adrenal Disorders
  • Diabetes
  • Hyperlipidemia
  • Hypertension (High Blood Pressure)
  • lipid management
  • Menopause
  • Metabolism
  • Obesity
  • Osteoporosis
  • Weight Management
  • Thyroid
  • Adrenal and Pituitary Disorders
  • Sex Hormone Disorders
  • Hypogonadism
  • Hypoglycemia
  • Hypercalcemia
  • Hypocalcemia
  • Hyperparathyroidism
  • Acromegly
  • Cushing's Syndrome

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