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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 Barnes:

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Patient Reviews

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The overall average patient rating of Dr. John Barnes is Good. Dr. Barnes has been reviewed by 1 patients who have provided 0 comments. The rating is 3.5 out of 5 stars.

Specialties & Research

Dr. John Barnes, MD is board certified in Neurology.

  • He has special expertise in 6 areas:
  • Alzheimer's Disease
  • Epilepsy
  • Lens Implants (Intraocular Lens Implantation)
  • Migraine Disorders
  • Multiple Sclerosis (MS)
  • Rheumatology

Education & Awards

Dr. Barnes graduated from Baylor College of Medicine, Houston.


Dr. Barnes has 3 hospital affiliations:

  • San Angelo Community Medical Center 
  • Angelo Community Hosp 
  • Shannon Medical Center - Memorial Campus 


  • Spanish

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Additional Information
Dr. John Littleton Barnes MD is a male Neurologist, has 47 years of experience and practices in Neurology.
Where does Dr. John L. Barnes practice?
Dr. John Barnes has 1 office location.
Dr. John Barnes practices Neurology near San Angelo, TX.
See San Angelo Neurologists.