Dr. Geoffrey Grammer
Dr. Geoffrey Grammer


Dr. Geoffrey Grammer

A decorated Colonel with the United States Army, Dr. Geoffrey Grammer serves as Greenbrook's Chief Medical Officer where he develops TMS Therapy treatment protocols and oversees the training of staff physicians and technicians.  Dr. Grammer created one of the very first TMS Therapy centers in the United States, and he is valued as a leading practitioner of TMS Therapy by his colleagues.

Dr. Grammer completed two deployments to Iraq- the first, serving as Medical Director for the 785th Combat Stress Control Company, and the second as a psychiatrist at the Combat Support Hospital at Contingency Operating Base (COB) Speicher. He also deployed to Afghanistan as a psychiatrist at the Combat Support Hospital in Bagram.

Following his deployments, Dr. Grammer served for 8 years as Chief of Inpatient Psychiatric Services at Walter Reed National Military Medical Center where he developed the Transcranial Magnetic Stimulation Program. In 2013, he assumed a position at the National Intrepid Center of Excellence as the Department Chief of Research. He is published in numerous peer reviewed journals, authored several book chapters and has participated in multiple media interviews including “60 Minutes.”


2002     Fellowship in Geriatric Psychiatry, Walter Reed Army Medical Center, Bethesda, Maryland
2001     Residency in Internal Medicine & General Psychiatry, Walter Reed Army Medical Center
1997     Internship in Psychiatry, Walter Reed Army Medical Center
1996     M.D., Uniformed Services University of the Health Sciences, Bethesda, Maryland
1992     B.S. in Biology, Virginia Polytechnic Institute

Board Certifications

2012       Board Certified United Council for Neurological Subspecialties-Behavior Neurology & Neuropsychiatry
2001       Board Certified American Board of Internal Medicine
2002       Board Certified American Board of Psychiatry & Neurology
2004       Board Certified American Board of Psychiatry & Neurology- Geriatric Psychology

Faculty Appointments

Assistant Professor of Psychiatry, Uniformed Services University, Bethesda, MD

Professional Affiliations

2015       Active Board Member, Clinical TMS Society

Selected Military Awards

Bronze Star Medal, Meritorious Service Medal (2nd Award)
Army Commendation Medal (3rd Award)
Army Achievement Medal (3rd Award)
Iraq Campaign Medal-3 Stars
Afghanistan Campaign Medal
Global War on Terrorism Service Medal
National Defense Service Medal (2nd Award),
Army Superior Unit Award and Overseas Service Ribbon (3rd Award)