National Library of MedicineVisit WebsiteGet Directions Details Amenities Details Largest medical library in the world; historic, rare book department, exhibits, tours and interactive displays. Hours See website for hours. Location8600 Rockville PkBethesda, MD20894Get DirectionsContact Local Phone: 301-402-8878 Fax: 301-496-4450 US Toll Free: 888-346-3656SocialFacebookTwitterYouTubeMapCapital Region Amenities ADA AccessibleEducational Resources AvailableGroup-FriendlyGuided Tours/Guide AvailableOn-site Motorcoach ParkingPlaces NearbyAccommodationsHilton-Washington D.C./Rockville Meeting Center HotelLearn MoreAccommodationsDoubleTree by Hilton-DC/Silver SpringLearn MoreAccommodationsEmbassy Suites by Hilton-BethesdaLearn MoreAccommodationsCanal Quarters-C&O Canal Trust-Lockhouse 6Learn MoreAccommodationsGlobal Luxury Suites at Downtown BethesdaLearn MoreSee More For Capital Region