Pamela L. Krahl


Captain, Navy

Department of Primary Appointment:
School of Medicine
Preventive Medicine and Biostatistics
Occupational and Environmental Medicine Residency Program Director
Location: Uniformed Services University of the Health Sciences, Bethesda, MD
Research Interests:
Biomarkers of Environmental Exposures
Injury Prevention
Office Phone


BS with Merit in Oceanography, U.S. Naval Academy, 1990
MPH, Occupational and Environmental Health, Emory University, 1999
MD cum laude, Emory University, 2000
Internal Medicine Residency, 2003
MPH, Uniformed Services University, 2006
Occupational and Environmental Medicine Residency, 2007


CAPT Krahl graduated from the United States Naval Academy with a Bachelor of Science degree in oceanography, and was commissioned as a Meteorology and Oceanography Officer in May 1990. Following a research internship at Oak Ridge National Laboratory, she served with Oceanographic Unit Four/USNS Chauvenet (T-AGS 29) during Operations Desert Shield and Desert Storm, conducting hydrographic surveys. She then completed three deployments to the Antarctic providing meteorological analysis to support the research mission with Naval Support Force Antarctica.

She resigned her active commission in July 1995 to attend Emory University School of Medicine through the Armed Forces Health Professions Scholarship Program. She graduated cum laude in May 2000 with Doctor of Medicine and Master of Public Health degrees and returned to active duty in May 2000, reporting to Naval Medical Center Portsmouth, VA for internship and residency training in Internal Medicine. In June 2003, she reported to Naval Hospital Beaufort, SC where she served as staff internist and Department Head, Internal Medicine. She was board certified in internal medicine in October 2003.

In August 2005, Dr. Krahl transferred to the Uniformed Services University of the Health Sciences for additional residency training in Occupational and Environmental Medicine. She was subsequently assigned to the U.S. Marine Corps Chemical Biological Incident Response Force (CBIRF) as staff occupational medicine physician and was appointed Medical Officer in Charge/Battalion Surgeon for CBIRF in April 2009. She was board certified in occupational and environmental medicine in January 2008 and was designated a Fleet Marine Force Qualified Officer in April 2010. CAPT Krahl transferred to U.S. Naval Hospital Sigonella, Italy in July 2010 where she served as Director of Public Health until July 2013. Dr. Krahl then served as Director of Public Health at Naval Health Clinic Annapolis from September 2013 to June 2016. She was appointed as the Navy Occupational and Environmental Medicine Specialty Leader in June 2015 and served in that role until November 2019.

CAPT Krahl is currently serving as Program Director of the Occupational and Environmental Medicine Residency at the Uniformed Services University, and is an Associate Professor in the Department of Preventive Medicine and Biostatistics.

Career Highlights: Positions, Projects, Deployements, Awards and Additional Publications

2015-2019 US Navy Occupational and Environmental Medicine Specialty Leader

2013-2016 - Director of Public Health, Naval Health Clinic Annapolis

2010-2013 - Director of Public Health, US Naval Hospital Sigonella

2007-2010 - Battalion Surgeon, US Marine Corps Chemical Biological Incident Response Force, deployed to multiple National Special Security Events

2003-2005 - Internal Medicine Department Head, Naval Hospital Beaufort

1990-1995 - US Navy Meteorology and Oceanography Officer, deployed to Operation Desert Shield/Storm and to McMurdo Station Antarctica

Representative Bibliography

Krahl PL, Thomas RJ, Gaydos JC, Mallon TM. The Future of Military Occupational and Environmental Medicine in the Department of Defense. J Occup Environ Med. 2022 Feb 1;64(2):166-172. doi: 10.1097/JOM.0000000000002384. PMID: 35119425.

Krahl PL, Thomas RJ, Gaydos JC, Mallon TM. Training Occupational and Environmental Medicine (OEM) Residents at the Uniformed Services University. J Occup Environ Med. 2021 May 1;63(5):403-410. doi: 10.1097/JOM.0000000000002151. PMID: 33560067.

Krahl PL, Mallon TM, Thomas RJ, Gaydos JC. Uniformed Services University Occupational and Environmental Medicine Residency Program. Med J (Ft Sam Houst Tex). 2020 Oct-Dec;(PB 8-20-10/11/12):6-58. PMID: 33211905.

Krahl PL, Benchoff E, Go YM, Jones DP, Smith MR, Walker DI, Uppal K, Woeller CF, Thatcher TH, Thakar J, Phipps RP, Hopke P, Utell MJ, Mallon TM. Advances in Comprehensive Exposure Assessment: Opportunities for the US Military. J Occup Environ Med. 2019 Dec;61 Suppl 12:S5-S14. doi: 10.1097/JOM.0000000000001677. PMID: 31800446.

Thatcher TH, Woeller CF, Thakar J, Khan A, Hopke PK, Smith MR, Uppal K, Walker DI, Go YM, Jones DP, Krahl PL, Mallon TM, Sime PJ, Phipps RP, Utell MJ. Analysis of Postdeployment Serum Samples Identifies Potential Biomarkers of Exposure to Burn Pits and Other Environmental Hazards. J Occup Environ Med. 2019 Dec;61 Suppl 12(Suppl 12):S45-S54. doi: 10.1097/JOM.0000000000001715. PMID: 31800450; PMCID: PMC6901100.

Thakar J, Thatcher TH, Smith MR, Woeller CF, Walker DI, Utell MJ, Hopke PK, Mallon TM, Krahl PL, Rohrbeck P, Go YM, Jones DP, Uppal K. Integrative Network Analysis Linking Clinical Outcomes With Environmental Exposures and Molecular Variations in Service Personnel Deployed to Balad and Bagram. J Occup Environ Med. 2019 Dec;61 Suppl 12(Suppl 12):S65-S72. doi: 10.1097/JOM.0000000000001710. PMID: 31800452; PMCID: PMC6897323.

Go YM, Smith MR, Walker DI, Uppal K, Rohrbeck P, Krahl PL, Hopke PK, Utell MJ, Mallon TM, Jones DP. Metabolome-Wide Association Study of Deployment to Balad, Iraq or Bagram, Afghanistan. J Occup Environ Med. 2019 Dec;61 Suppl 12(Suppl 12):S25-S34. doi: 10.1097/JOM.0000000000001665. PMID: 31800448; PMCID: PMC6901093.

Krahl PL, Jankosky CJ, Thomas RJ, Hooper TI. Systematic review of military motor vehicle crash-related injuries. Am J Prev Med. 2010 Jan;38(1 Suppl):S189-96. doi: 10.1016/j.amepre.2009.10.024. PMID: 20117592.

Krahl PL. Harmful algal bloom-associated marine toxins: a risk assessment framework. Arch Environ Occup Health. 2009 Summer;64(2):129-34. doi: 10.3200/AEOH.64.2.129-134. PMID: 19395344.

Krahl PL, Litow FK. Mental health disorders in a cohort of U.S. Navy and Marine Corps personnel receiving waivers of medical accession standards. Mil Med. 2009 Mar;174(3):232-5. PMID: 19354084.