John Warren Barnhill, M.D.
< Back to Search Results

John Warren Barnhill, M.D.


Profile Photo of John Warren Barnhill, M.D.
Accepts New Patients
Gender: Male
Language: English


Specialties and Expertise


  • Adult Psychotherapy


  • Mood Disorder
  • Anxiety Disorder
  • Provide Second Opinion
  • Psychiatric Aspects of Physical Illness
  • Psychopharmacology and Psychotherapy
  • Psychodynamic Psychotherapy
  • Burn-Out

Personal Statement

Dr. John W. Barnhill is DeWitt Wallace Senior Scholar and Professor of Clinical Psychiatry and Medical Ethics at Weill Cornell Medicine. 

Within NYP/WCM, Dr. Barnhill directs the House Staff Mental Health Service, consults with the advanced heart failure team, and serves as departmental vice chair for consultation-liaison psychiatry. He chairs the department's Appointments and Promotions Committee as well as the Committee on Faculty Development. 

Dr. Barnhill has served on most of WCM's education-related committees and on most of the psychiatry department's education and administrative committees. He has served on the NYP/WCM Ethics Committee since 2001. He has chaired the WCM General Faculty Council, the Payne Whitney Faculty Council, and the Board of the Society for Liaison Psychiatry.  

Outside of NYP/WCM, Dr. Barnhill is chief of the division of psychiatry at the Hospital for Special Surgery. He chairs the Ethics Committee at the Columbia University Center for Psychoanalytic Training and Research, where he also teaches the Ethics course to the advanced candidates. Since 2013, he has served on the editorial board for books published by the the American Psychiatric Association. Dr. Barnhill also edits the anxiety section for the Merck Manual.

All of Dr. Barnhill's writing and editing has focused on the assessment and treatment of a broad spectrum of psychiatric disorders. His 6 books include: Approach to the Psychiatric Patient, 2nd edition (2019); Co-Occurring Mental Illness and Substance Use Disorders: A Guide to Diagnosis and Treatment, edited with Dr. Jonathan Avery (2017); DSM-5 Clinical Cases (2013); and Approach to the Psychiatric Patient (2008). These books have been translated into a total of 12 languages. 

Dr. Barnhill has taught or consulted in the Middle East, Africa, Europe, and Asia. He has given talks on performance enhancing drugs to six Major League Baseball teams. He directs the psychiatry section of the annual Salzburg Weill Cornell Seminars, which are focused on the continuing education of young psychiatrists from developing countries, particularly in Eastern Europe. He has served on the WCM Faculty Committee for the Weill Bugando Medical College in Mwanza, Tanzania and on the International Psychoanalytic Association's and the American Psychiatric Association's Committees to the United Nations and on the United Nations Commission on the Status of Women.

Dr. Barnhill has maintained an outpatient psychiatric practice for over 25 years.


John W. Barnhill, MD has been on the full-time faculty at Weill Cornell Medicine since 2001.

After graduating from Duke, Dr. Barnhill received his medical degree from Baylor College of Medicine. He did his psychiatry residency at NYP/WCM and his psychoanalytic training at Columbia. 

Most of Dr. Barnhill's professional efforts are clinical. In addition to maintaining an outpatient practice, he is the psychiatric consultant to multiple medical and surgical services at NYP/WCM and the Hospital for Special Surgery. He has long led the consultation-liaison services within the medical center. 




Honors and Awards

Honors and Awards

Dr. Barnhill graduated magna cum laude from Duke University and received his medical degree from Baylor College of Medicine, where he won the Alumni Award for Service.

He is a Distinguished Fellow of the American Psychiatric Association, a Fellow of the Academy of Consultation-Liaison Psychiatry, and an elected member of the American College of Psychiatrists.

Other Awards:

2018    Miriam G. Wallach Award for Excellence in Humanistic Medical Care, NYP/WCM                                             

2016    Edith Sabshin Award for Teaching, American Psychoanalytic Association                                                             

2012    Nancy C.A. Roeske Certificate in Medical Student Education,  American Psychiatric Association                     

2009    Award for Excellence in Medical Student Teaching, WCM

2008     John F. O'Connor Award for Medical Student Teaching, Columbia Psychoanalytic Center 

2005     Award for Excellence in Medical Student Teaching, WCM

2003     Best Full Time Faculty Teacher, NYP/WCM Psychiatry Residents                                                                                                   




Board Certifications

  • Psychiatry
  • Psychosomatic Medicine

Clinical and Academic Positions

  • Attending Psychiatrist - NewYork-Presbyterian Hospital
  • Professor of Medical Ethics in Clinical Medicine - Weill Cornell Medical College, Cornell University
  • DeWitt Wallace Senior Scholar - Weill Cornell Medical College, Cornell University
  • Professor of Clinical Psychiatry - Weill Cornell Medical College, Cornell University

Education and Training

  • M.D., Baylor College of Medicine, 1985


Insurance Plans Accepted

The following represents most of the managed care plans accepted by this physician. If your insurance carrier does not appear here please contact the physician’s office as they may have individual contracts not included on this site.

* indicates this physician is no longer accepting new patients with this insurance plan.

  • Aetna - Weill Cornell - POS
  • Medicare
  • Rockefeller University - Trustmark

Locations and Appointments