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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).

Patient Reviews

Patient comments (1)

The overall average patient rating of Dr. John Walker is Good. Dr. Walker has been reviewed by 7 patients who have provided 1 comments. The rating is 3.5 out of 5 stars.

Patient Ratings
Ease of Appointment 4.3
Promptness 4.0
Courteous Staff 5.0
Accurate Diagnosis 2.3
Bedside Manner 1.7
Spends Time with Me 2.8
Follows Up After Visit 3.0

Specialties & Research

Dr. John Walker, MD is board certified in Psychiatry.

  • He has special expertise in 7 areas:
  • Attention Deficit Disorder (ADD) / Attention Deficit Hyperactivity Disorder (ADHD)
  • Bipolar Disorder / Manic Depressive Disorder
  • Depression
  • Depressive Disorder
  • Insomnia
  • Schizophrenia
  • Sleep Disorders

Education & Awards

Dr. Walker graduated from The University of Texas at Galveston.


Dr. Walker has 7 hospital affiliations:

  • Carilion Giles Memorial Hospital 
  • Carilion Roanoke Community Hospital 


  • German

> > > > Dr. John Walker, MD

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Additional Information
Dr. John Ingram Walker MD is a male Psychiatrist, has 42 years of experience and practices in Psychiatry.
Where does Dr. John I. Walker practice?
Dr. John Walker has 2 office locations.
Dr. John Walker practices Psychiatry near Navasota, TX.
Additional practice locations include: Christiansburg, VA.
See Navasota Psychiatrists.