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License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Learn more about Dr. John Gilbert:

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  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (12)

The overall average patient rating of Dr. John Gilbert is Good. Dr. Gilbert has been reviewed by 26 patients who have provided 12 comments. The rating is 3.5 out of 5 stars.

Patient Ratings
Ease of Appointment 3.5
Promptness 2.7
Courteous Staff 3.7
Accurate Diagnosis 3.6
Bedside Manner 3.7
Spends Time with Me 3.2
Follows Up After Visit 3.4

Specialties & Research

Dr. John Gilbert, MD is board certified in Internal Medicine.

  • He has special expertise in 14 areas:
  • Adrenal Gland Diseases
  • Diabetes
  • Diabetes Mellitus
  • Endocrinology
  • Hyperparathyroidism
  • Hypoglycemia
  • Hypogonadism
  • Menopause
  • Obesity
  • Osteoporosis
  • Pituitary Diseases
  • Thyroid Diseases
  • Weight Loss
  • Weight loss (non-surgical)

Education & Awards

Dr. Gilbert graduated from State University of New York Downstate, Brooklyn.


Dr. Gilbert has 1 hospital affiliations:

  • St. Jude Medical Center 

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Additional Information
Dr. John Gilbert MD is a male Internist, has 28 years of experience and practices in Internal Medicine.
Where does Dr. John Gilbert practice?
Dr. John Gilbert has 1 office location.
Dr. John Gilbert practices Internal Medicine near Fullerton, CA.
See Fullerton Internists.