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 (4)

The overall average patient rating of Dr. John Barnhill is Average. Dr. Barnhill has been reviewed by 9 patients who have provided 4 comments. The rating is 2.5 out of 5 stars.

Patient Ratings
Ease of Appointment 1.9
Promptness 3.4
Courteous Staff 3.8
Accurate Diagnosis 3.4
Bedside Manner 3.4
Spends Time with Me 3.4
Follows Up After Visit 2.9

Specialties & Research

Dr. John Barnhill, MD is board certified in Psychiatry and Psychosomatic Medicine.

  • He has special expertise in 10 areas:
  • Attention Deficit Disorder (ADD) / Attention Deficit Hyperactivity Disorder (ADHD)
  • Bipolar Disorder / Manic Depressive Disorder
  • Depression
  • Depressive Disorder
  • Insomnia
  • Mood Disorders
  • Psychiatry
  • Psychotherapy
  • Schizophrenia
  • Sleep Disorders

Education & Awards

Dr. Barnhill graduated from Baylor College of Medicine, Houston. He has 7 awards.

Award for Excellence in Medical Student Teaching: MPS III, WCMC, 2005
Distinguished Fellow, American Psychiatric Association, 2000
Award for Excellence in Medical Student Teaching: the Psychiatry Clerkship, WCMC, 2009
Nancy A. Roeske Certificate for Excellence in Medical Student Teaching, American Psychiatric Association, 2012
Best Full-Time Faculty Teacher, awarded by Psychiatry Residents at NYPH/WCMC, 2003
John F. O’Connor Award for Medical Student Teaching, Columbia Psychoanalytic Center, 2008
Fellow, Academy of Psychosomatic Medicine, 2006


Dr. Barnhill has 5 hospital affiliations:

  • Hospital For Special Surgery 
  • NewYork-Presbyterian / Weill Cornell 

> > > > Dr. John Barnhill, MD

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Additional Information
Dr. John Warren Barnhill MD is a male Psychiatrist, has 26 years of experience and practices in Psychiatry and Psychosomatic Medicine.
Where does Dr. John W. Barnhill practice?
Dr. John Barnhill has 2 office locations.
Dr. John Barnhill practices Psychiatry and Psychosomatic Medicine near New York, NY.
See New York Psychiatrists.