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Tang, Nelson, M.D.

Dr. Tang

Associate Professor
Vice Chair for Operational Medicine
Director, Division of Special Operations
Director, Center for Law Enforcement Medicine
Director, EMS Fellowship


New York University School of Medicine (M.D., 1994)


The Johns Hopkins University (1997)


Following a year as Chief Resident, Dr. Tang joined the Emergency Medicine faculty as Assistant Chief of Service (1997-1999). He has completed the Teaching Fellowship of the American College of Emergency Physicians (ACEP) and the National Medical Directors Course and Practicum of the National Association of EMS Physicians (NAEMSP). Dr. Tang has served as the Disaster Control Physician for the Johns Hopkins Hospital and emergency medicine liaison to the Adult and Pediatric Trauma Services.

Dr. Tang has extensive Emergency Medical Services experience and is the Executive Medical Director for Johns Hopkins LIFELINE, the ground and air critical care transport program of the Johns Hopkins Health System. He has served as the Director of Medical Operations for the Baltimore Marathon and directs the department's medical support for numerous mass-gathering special events throughout the Mid-Atlantic region.

Since 1999, Dr. Tang has served as Medical Director for the United States Secret Service.  In this capacity, he has provided direct medical support for international protective missions, National Special Security Events and high-risk training operations at the USSS Training Center. He is responsible for agency-wide emergency medical protocols and the certification of agency EMS providers. Dr. Tang is also the Medical Director for the operational medical programs within the DHS Immigration and Customs Enforcement, the Bureau of Alcohol, Tobacco, Firearms and Explosives and the United States Marshals Service. Since 2006, Dr. Tang has also served as a Tactical Physician with the Maryland State Police.

Research Interests

  1. Tactical Emergency Medicine
  2. Emergency Medical Services (EMS)
  3. Mass Gathering Event Medical Support