Bethesda Marriott Hotel
5151 Pooks Hill Road
Bethesda, MD 20814
Phone: (888) 228-9290 or (301) 897-9400
Fax: (301) 897-0192
When making a reservation, please provide your room and bedding preferences. The hotel will assign specific room types at check-in, based on availability. Please be advised that requests are not guaranteed. Check-in time is 4:00 p.m., and checkout time is 12:00 p.m.
NIH Visitor Information
Information on visiting the NIH, campus maps, shuttle schedules, driving directions, security, and more can be found on the NIH Visitor Information page.