Tamara Worlton, M.D.

Tamara J. Worlton, M.D., Commander, Navy

Name: Tamara J. Worlton, M.D., Commander, Navy

USU Department of Primary Appointment: 
Director of Global Surgery
Faculty Rank: 
Associate Professor
Walter Reed National Military Medical Center, Bethesda, MD


New Mexico State University, B.S. Biology
Uniformed Services University of the Health Sciences, M.D.
National Naval Medical Center, general surgery residency
Cleveland Clinic, Ohio, MIS/Bariatric Fellowship
USU Graduate Certificate in Global Health and Global Health Engagement


CDR Tamara Worlton graduated from the Uniformed Services University of the Health Sciences (USU) in 2003 and her General Surgery residency at National Naval Medical Center in 2008. She went on to complete a fellowship in Bariatric Surgery at Cleveland Clinic in Cleveland, Ohio 2010. She is currently the Director of the Division of Global Surgery at USU and Director of Surgical Operations at the Center for Global Health Engagement. CDR Worlton served as ship’s surgeon on an aircraft carrier, deployed to Afghanistan, Djibouti and served on both US Navy hospital ships. She has also served as faculty for the Indian-US Emergency Medicine Summit. CDR Worlton co-chaired the American College of Surgeons Humanitarian Skills course and the Global Health Competencies Course. She is recognized as a Navy expert in surgical Global Health Engagement (GHE) and earned the additional military qualification in GHE as well as a Graduate Certificate in Global Health and Global Health Engagement from USU.

Representative publications, projects, and/or deployments

  • 2021: Fulbright Scholar to Sri Lanka
  • 2020: USNS COMFORT T-AH 20 Deployment to NYC
  • 2019: USNS COMFORT T-AH 20 2019 Deployment in support of Continuing Promise
  • 2018: USNS MERCY T-AH 19 Pacific Partnership Deployement
  • 2015: Director of Surgical Services, Camp Lemonnier Djibouti, Deployment
  • 2011: Tarin Kowt, Afghanistan, Deployment
  • 2009: USS Abraham Lincoln (CVN 72), Ship's Surgeon


  • The gap of educational standards- Another reason for unsuccessful management of mass casualty incidents. Bala M, Worlton T, Ratnayake A. American Journal of Emergency Medicine. (2020) Doi: 10.1016/j.ajem.2020.12.050.
  • A call for a global terrorism related mass casualty incident response research consortium. Ratnayake A, Abayajeewa K, Samarakoon S, Worlton T and ESARC group. European Journal of Trauma and Emergency Surgery. 2021 Jan 7. Doi:10.1007/s00068-020-01572-1.
  • Ethical considerations for surgical planners from the lessons learned on USNS COMFORT (T-AH 20) Deployment 2019. Younger A, Worlton TJ, Wallace S, Steigleman WA, Ortiz-Pomales YT. Military Medicine. (2020) Dec 22;usaa407. Doi: 10.1093/milmed/usaa407.
  • What’s new in Academic International Medicine? International health security agenda- Expanded and re-defined. Le NK, Garg M, Izurieta R, Garg SM, Papadimos TJ, Arquilla B, Miller AC, Khan AM, Worlton TJ, Firstenberg M, Galwankar S, Raina SK, Anderson H, Jeanmonod R, Kaufmann K, Jeanmonod D, De Wulf A, McCallister D, Bloem C, Opara IN, Martin N, Asensio JA, Stawicki SP. International Journal of Academic Medicine (2020) Sep 6(3):163-178. Doi: 10.4103/IJAM.IJAM_113_20
  • Impact of Compounding Factors in Limb Salvage in Combat Extremity Arterial Injuries During the Sri Lankan Civil War. Ratnayake A, Bala M, Fox CJ, Jayatilleke A, Thalgaspitiya SPB, Worlton TJ. British Medical Journal Military Health. 2020 Aug 5. Doi:10.1136/bmjmilitary-2020-001508
  • USNS COMFORT (T-AH 20) Surgical Services Response to the COVID-19 Pandemic in New York City. Worlton TJ, Uber IC, Bronaugh S, Liedtke E, Dougherty JW, Pinkos KA, Weimerskirch B, Johnson M. Annals of Surgery. 2020 Oct;272(4)e269-271. Doi: 10.1097/SLA.0000000000004320