The National Park Service Office of Public Health delivers the highest quality professional public health services to protect and promote the health and wellbeing of visitors who come to enjoy our parks. OPH staff are committed to advancing efforts to address health issues while utilizing a One Health approach. In addition to carrying out the numerous public health efforts in parks, the Office of Public Health serves as the official personnel office and primary liaison to the U.S. Surgeon General for all U.S. Public Health Service (PHS) Officers assigned to the Department of the Interior. Learn more about how OPH serves visitors by exploring our work below!
Climate and Extreme Weather Conditions
Learn more about our efforts to address the most pressing issues to human health.
One Health
Explore the connection between human, animal and environmental health.
Program Areas
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Disease PreventionFind out how we work to mitigate potential disease risks and exposures.
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Health ProtectionLearn more about how we protect the health of visitors in parks.
Last updated: January 15, 2026