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Endocrinologist (diabetes, hormones)
25 years of experience
Accepting new patients
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).

Patient Reviews

Patient comments (8)

The overall average patient rating of Dr. John Williams is Average. Dr. Williams has been reviewed by 20 patients who have provided 8 comments. The rating is 3 out of 5 stars.

Patient Ratings
Ease of Appointment 3.6
Promptness 3.3
Courteous Staff 3.8
Accurate Diagnosis 3.6
Bedside Manner 3.2
Spends Time with Me 3.0
Follows Up After Visit 3.6

Specialties & Research

Dr. John Williams, MD, PHD is board certified in Endocrinology, Diabetes & Metabolism.

  • He has special expertise in 7 areas:
  • Diabetes
  • Diabetes Mellitus
  • Diabetes
  • Metabolic Bone Diseases
  • Thyroid Diseases
  • Weight Loss
  • Weight loss (non-surgical)

Education & Awards

Dr. Williams graduated from The University of Texas Southwestern, Dallas. He has 7 awards.

Young investigator award, clinical nutrition research unit 1998
Award of merit, chemistry, central state university edmond 1979
Phi beta honor society, central state university, edmond o 1976
Young investigator award, clinical nutrition research unit 1997
National research service award, biochemistry, university
Nominata award, university of texas southwestern graduate 1987
Castle Connolly's Top Doctors™ (2013)


Dr. Williams has 11 hospital affiliations:

  • St Mary's Medical Center, Inc 
  • Baptist Hospital of East Tennessee 

> > > > Dr. John Williams, MD, PHD

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Additional Information
Dr. John B Williams MD and PHD is a male Internist, has 25 years of experience and practices in Endocrinology, Diabetes & Metabolism.
Where does Dr. John B. Williams practice?
Dr. John Williams has 2 office locations.
Dr. John Williams practices Endocrinology, Diabetes & Metabolism near Knoxville, TN.
Additional practice locations include: Pittsburgh, PA.
See Knoxville Endocrinologists.