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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 (10)

The overall average patient rating of Dr. John Williams is Average. Dr. Williams has been reviewed by 22 patients who have provided 10 comments. The rating is 3 out of 5 stars.

Patient Ratings
Ease of Appointment 3.5
Promptness 3.3
Courteous Staff 3.7
Accurate Diagnosis 3.5
Bedside Manner 3.2
Spends Time with Me 3.0
Follows Up After Visit 3.5

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.