Contact Information

Preventive Medicine and Biometrics: Faculty

Uniformed Services University of the Health Sciences
Department of Preventive Medicine and Biometrics
4301 Jones Bridge Road
Bethesda, Maryland 20814-4799
Room A1039B
Office: (301) 295-9757

David W. Niebuhr, MD, MPH, MSc, COL, MC, USA

Vice Chair for Research, Director, Division of Epidemiology and Biostatistics, Associate Professor


  • BA, Natural Sciences, Johns Hopkins University
  • MD, George Washington University
  • MPH, International Health, Johns Hopkins University
  • MSc, Epidemiology, University of Washington


Dr. Niebuhr's research interests include the following:

  • The effect of medical accession standards on morbidity and attrition
  • Accession and service related risk factors for disability retirement
  • Functional screening for physical and mental fitness for military service
  • " Genetic and environmental factors associated with schizophrenia and bipolar disorder, multiple sclerosis and type 1 diabetes mellitus


  • Course director PMO 511 (Intro to Epidemiology)
  • Course director PMO 515 (Chronic Disease Epidemiology)
  • Facilitator of the medical student pre-clerkship group discussions in preventive medicine, epidemiology, biostatistics and medical ethics

Areas of Expertise

  • Preventive Medicine
  • Epidemiology
  • Military population health research

Selected Recent Publications

Gubata ME, Packnett ER, Feng X, Cowan DN, Niebuhr DW. Pre-enlistment hearing loss and hearing loss disability among US soldiers and marines. Noise Health. 2013 Sep-Oct;15(66):289-95. doi: 10.4103/1463-1741.116547. PMID:23955124

Gubata ME, Urban N, Cowan DN, Niebuhr DW. A prospective study of physical fitness, obesity, and the subsequent risk of mental disorders among healthy young adults in army training. J Psychosom Res. 2013 Jul;75(1):43-8. doi: 10.1016/j.jpsychores.2013.04.003. Epub 2013 May 15. PMID 23751237

Niebuhr, DW, Gubata, ME, Oetting, AA, Weber, NS, Feng, X, & Cowan, DN (2013 July 15). Personality Assessment Questionnaire as a Pre-Accession Screen for Risk of Mental Disorders and Early Attrition in U. S. Army Recruits. Psychological Services. Advance online publication. doi: 10.1037/a0032783. PMID: 23855422

Gubata ME, Packnett ER, Blandford CD, Piccirillo AL, Niebuhr DW, Cowan DN. Trends in the Epidemiology of Disability Related to Traumatic Brain Injury in the U.S. Army and Marine Corps: 2005-2010. J Head Trauma Rehab. Epub ahead of print. 2013 Jun 10. DOI: 10.1097/HTR.0b013e318295f590. PMID: 23756433

Gubata ME, Oetting AA, Niebuhr DW, Cowan DN. Accession medical waivers and deployment duration in the U.S. Army. Mil Med. 2013 Jun;178(6):625-30. PMID: 23756068

Weber NS, Fisher JA, Cowan DN, Postolache TT, Larsen RA, Niebuhr DW. Descriptive Epidemiology and Underlying Psychiatric Disorders among Hospitalizations with Self-Directed Violence. PLOS ONE, March 2013, 8(3), e59818. PMID: 23555791

Elizabeth R. Packnett, MPH; MAJ Marlene E. Gubata, MD, MPH; David N. Cowan, PhD, MPH; David W. Niebuhr, MD, MPH, MS. Temporal Trends in the Epidemiology of Disabilities Related to Posttraumatic Stress Disorder in the U.S. Army and Marine Corps: 2005-2010. Journal of Traumatic Stress, 2012, In press.

Molloy JM, Feltwell DN, Scott SJ, Niebuhr DW. Physical Training Injuries and Interventions for Military Recruits. Mil Med, 177, 5:553, 2012.

Gubata ME, Oetting AA, Weber NS, Feng X, Cowan DN, Niebuhr DW. A Noncognitive Temperament Test to Predict Risk of Mental Disorders and Attrition in U.S. Army Recruits. Mil Med, 177, 4:374, 2012.

Sikorski C, Emerson MA, Cowan DN, Niebuhr DW. Risk factors for medical disability in U.S. enlisted Marines: fiscal years 2001 to 2009. Mil Med. 2012 Feb;177(2):128-34.

Bedno SA, Cowan DN, Urban N, Niebuhr DW. Effect of Pre-Accession Physical Fitness on Training Injuries among US Army Recruits. In Press, Work, 2012.

Page W,Chubb M, Feng X, Fan L,Li Y,Weber N, Levin L, Niebuhr D. National Estimates of Seroincidence and Seroprevalence for Herpes Simplex Virus Type 1 and Type 2 Among US Military Adults Aged 18 to 29 Years. Sex Transm Dis. 2012 Apr;39(4):241-50.

Mancuso JD, Niebuhr DW, Frick KD, Keep LW, Anderson KM Cost-effectiveness analysis of targeted and sequential screening strategies for latent tuberculosis..Int J Tuberc Lung Dis. 2011 Sep;15(9):1223-30, i.

Cowan DN.; Bedno SA.; Urban N; Yi B; Niebuhr DW. Musculoskeletal injuries among overweight army trainees: incidence and health care utilization Occupational Medicine 2011;61(4):247-52.

Cowan DN, Weber NS, Fisher JA, Bedno SA, Niebuhr DW. Incidence of adult onset schizophrenic disorders in the US Military: Patterns by sex, race and age. Schizophr Res. 2011;127(1-3):235-40.

Niebuhr DW, Yuanzhang Li, Cowan DN, Weber NS, Fisher JA, Ford GM, Yolken R. Association between bovine casein antibody and new onset schizophrenia among US military personnel. Schizophrenia Research. 2011;128(1-3):51-5.

Gubata, ME, Cowan DN, Bedno SA, Urban N, Niebuhr DW. Self-Reported Physical Activity and Pre-accession Fitness Testing in US Army Applicants. Mil Med. 2011,176 (8):922-925.

Niebuhr DW, Krampf RL, Mayo JA, Blandford CD, Levin LI, Cowan DN. Risk factors for disability retirement among healthy adults joining the U.S. Army. Mil Med. 2011 Feb;176(2):170-5. PMID: 21366079.

Packnett ER, Niebuhr DW, Bedno SA, Cowan DN. Body mass index, medical qualification status, and discharge during the first year of US Army service. Am J Clin Nutr. 2011 Mar;93(3):608-14.

Musculoskeletal injuries among overweight army trainees: incidence and health care utilization D. N. Cowan; S. A. Bedno; N. Urban; B. Yi; D. W. Niebuhr Occupational Medicine 2011; doi: 10.1093/oc 13 cmed/kqr028.

Weber NS, Cowan DN, Bedno SA, Niebuhr DW. Descriptive epidemiology of bipolar I disorder among United States military personnel. Mil Med. 2010 Apr;175(4):247-51.

Bedno SA, Lang CE, Daniell WE, Wiesen AR, Datu B, Niebuhr DW. Association of Weight at Enlistment with Enrollment in the Army Weight Control Program and Subsequent Attrition in the Assessment of Recruit Motivation and Strength Study. Military Medicine, 2010 March; 175, 3:1, 2010:

Bedno SA, Li Y, Han W, Cowan DN, Scott CT, Cavicchia MA, Niebuhr DW. Exertional Heat Illness Among Overweight U.S. Army recruits in Basic Training. Aviation, Space, and Environmental Medicine. Feb 2010; 81(2):107-111.

Niebuhr DW, Scott CT, Li Y, Bedno SA, Han W, Powers TE. Preaccession Fitness and Body Composition as Predictors of Attrition in U.S. Army Recruits. Military Medicine 2009: 174(7):695-701.

Niebuhr, DW, Scott, CT, Powers, TE, Yuanzhang, L, Han, W, Millikan, AM, Krauss, MR. Assessment of Recruit Motivation and Strength (ARMS) Study, Military Medicine, 2008 June;173(6):555-62.

Professional Activities

Dr. Niebuhr is a fellow of the American College of Preventive Medicine (ACPM) and the American Academy of Family Physicians (AAFP) and a member of the Association of Military Surgeons of the United States.