John Barrett, MD, MPH, MS

John P. Barrett, MD, MPH, MS, Colonel, Army

Name: John P. Barrett, MD, MPH, MS, Colonel, Army

USU Department of Primary Appointment: 
Preventive Medicine and Biostatistics
Army Senior Service Leader
Faculty Rank: 
Assistant Professor
Uniformed Services University of the Health Sciences, Bethesda, MD

Research Interests:
Uniformed Services Population Health
Clinical Health Services

Office Phone: 
(301) 295-9757


Family Medicine Residency 1995-98
Family Medicine Faculty Development Fellowship 2000-02
Preventive Medicine Residency 2007-09
Occupational and Environmental Medicine Fellowship 2009-10

Doctor of Medicine, Uniformed Services University 1995
Master of Science (Health Services), University of Washington 2010
Master of Public Health (Health Education), University of Washington 2002
Bachelor of Science (Physiology), University of California, Davis 1991


Colonel John P. Barrett enlisted in the Army in 1984. After three years as an active duty Medic he attended the University of California, Davis, and was commissioned as a Second Lieutenant in 1991. He received his Doctor of Medicine in 1995 from the Uniformed Services University of the Health Sciences. He later attended the University of Washington receiving a Master of Public Health in Health Education in 2002 and a Master of Science in Health Services in 2010.

Colonel Barrett’s previous assignments include: Medic at Silas B. Hays Army Community Hospital and the 7th Infantry Division (Light), Ft. Ord, CA; Flight Medic, 126th Medical Company (Air Ambulance), Army National Guard, Sacramento, CA; Medical Student Officer, Uniformed Services University (USU), Bethesda, MD; Family Medicine Resident and Chief Resident, Madigan Army Medical Center (MAMC), Ft. Lewis, WA; Group Surgeon, 1st Special Forces Group (Airborne), Ft. Lewis, WA; Faculty Development Fellow, MAMC, Ft. Lewis, WA; Brigade Surgeon, 17th Aviation Brigade, Seoul, Korea; B. Company Commander and Battalion Deputy Commander for Clinical Services (DCCS), 168th Area Support Medical Battalion, Seoul, Korea; Command/Force Surgeon, Multinational Force and Observers, Sinai, Egypt; Officer-in-Charge (OIC), Okubo Health Clinic, Ft. Lewis, WA, with deployment as Squadron Surgeon, 1/14 Cavalry Squadron, Operation Iraqi Freedom; Preventive Medicine Resident and Occupational Medicine Fellow, MAMC, Ft. Lewis, WA; Chief, Department of Preventive Medicine, National Capital Area Army Public Health Emergency Officer and Joint Task Force-Capital Medicine Transition OIC for Public Health, Walter Reed Army Medical Center, Washington DC; OIC, Civil Affairs Medical Operations, Combined Joint Task Force-Horn of Africa; DCCS and Chief of Professional Services, 65th Medical Brigade, US Army Medical Activity-Korea, Brian Allgood Army Community Hospital and the 121st Combat Support Hospital, Seoul, Korea; Chief, Department of Operational Medicine and Deployment Health, and Aerospace Medicine Consultant, MAMC and Western Regional Medical Command, Joint Base Lewis-McChord, WA. Colonel Barrett currently serves as the USU Army Senior Service Leader, the Deputy Director, Division of Epidemiology and Biostatistics, and Assistant Professor of Preventive Medicine and Biostatistics and Family Medicine.

Colonel Barrett is a Fellow of the American Academy of Family Physicians, and a Diplomat of the American Boards of Family Medicine and Preventive Medicine; board certified in Family Medicine, Preventive Medicine, Occupational Medicine, and Aerospace Medicine. He has over 15 years of service as part-time and full-time Residency Teaching Faculty. Colonel Barrett’s military awards include: Meritorious Service Medal (8 OLCs), Joint Service Commendation Medal, Army Commendation Medal (5 OLCs), Army Achievement Medal (2 OLCs), Military Outstanding Volunteer Service Medal (2), Expert Field Medical Badge, Senior Flight Surgeon Badge, Senior Parachutist Badge, Navy Diving Medical Officer Badge, Air Assault Badge, Aircrew Member Badge, Army Surgeon General “A” Designation and the Order of Military Medical Merit.


  • Barrett JP, Rosen IM, Harris JR, Stout LR, Murphy RA, Martin DP. "Respiratory Illnesses at the 2009 U.S. Army ROTC Advanced Camp." Military Medicine, 175(12): 990-4, 2010.
  • Collier DA, Bayles MK, Barrett JP. “Acute Gastroenteritis Outbreak at the Armed Forces Retirement Home, Washington, DC, January 2011.” Medical Surveillance Monthly Report, 18(6): 11-14, June 2011.
  • Barrett J, Sevick C, et al. "Validating the Use of ICD-9-CM Codes to Evaluate Gestational Age and Birth Weight." Journal of Registry Management, 39,2: 69-75, 2012.
  • O’Connor FG, Deuster PA, Barrett J, Kane S, Depenbrock P. Letter. Is High-Intensity Functional Training (HIFT)/CrossFit Safe for Military Fitness Training? Military Medicine, 182(1): 1474-75, 2017.
  • Rusiecki J, Alexander M, Schwartz E, Wang L, Weems L, Barrett J, et al. “The Deepwater Horizon Oil Spill Coast Guard Cohort Study” Occup Environ Med 2017; 0:1–11. doi:10.1136/oemed-2017-104343
  • Raleigh MF, Barrett JP, et al. “A Cluster of Exertional Rhabdomyolysis Cases in an ROTC Program Engaged in an Extreme Exercise Program.” Military Medicine (In Press, Accepted 5 Sept., 2017).
  • Barrett J. Traveler’s Diarrhea. In Domino FJ (Ed.), The 5-Minute Clinical Consult, 2018, Philadelphia: Wolters Kluwer Health; May 2017.
  • Mallon TM, Nelson CL, Grizzell T, Richardson I, Gardner B, Martin GJ, Barrett JP. Respiratory Protection. In: Occupational Health: The Soldier and the Industrial Base. Borden Institute, United States Army Medical Department; In-press.
  • Oral Presentation, Invited “Child and Adolescent Preventive Services: Busy Clinicians’ Overview of the USPSTF Recommendations for Children and Adolescents” Barrett J, Uniformed Services Academy of Family Physicians Annual Meeting, Mar. 2017, Seattle, WA
  • Poster, Peer Reviewed “Long Term Dermal and Respiratory Health Conditions Associated with Oil Spill Clean-up Exposures: The Deepwater Horizon Coast Guard Cohort Study” Jennifer A. Rusiecki, John Barrett, Kate Christenbury, Erica G. Schwartz, Lawrence S. Engel American Public Health Association Annual Meeting, 4-8 November, 2017, Atlanta, GA