William H. Natcher Conference Center, Building 45
National Institutes of Health
45 Center Drive
Bethesda, MD 20892

The William H. Natcher Conference Center, Building 45, is part of the NIH and is located on the NIH Main Campus in Bethesda, Md., approximately 5 miles from Washington D.C.

All visitors must enter the NIH campus through the NIH Gateway Center, located adjacent to the Medical Center Metro Station at the South Drive entrance to campus from Rockville Pike / Wisconsin Avenue (Route 355). You will be asked to submit to a vehicle or personal inspection. Visitors will be required to show one (1) form of identification (a government-issued photo ID-driver's license, passport, green card, etc.) and to state the purpose of their visit.

Please note: visitor parking is limited at NIH. Visitors are encouraged to use public transportation such as the Metrorail subway system which has a convenient stop (Medical Center) on the NIH campus. Visit the "Metro" site for information on fares and schedules.

For visitors arriving in vehicles, on motorcycles or bicycles, the Gateway Vehicle Inspection Station (Building 66A), provides multiple inspection lanes and allows visitors to go through inspection and get a visitor badge in one centralized, efficient process. Vehicles enter the Gateway Center complex through a new roadway, "NIH Gateway Drive," just south of the intersection of the previous visitor entrance at South Drive and Rockville Pike. Vehicles that choose to bypass parking in MLP-11 will go through inspection and enter campus at Center Drive near the National Library of Medicine. (See Gateway Map)

Visit the NIH Visitor’s Center for more information about the NIH security process, visitor’s parking, and parking fares.


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