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Visit Us

The National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) is based at the National Institutes of Health (NIH) Headquarters in Bethesda, Maryland. Other NIDDK offices are located in Phoenix, Arizona. Please contact the person you are visiting to verify your destination.

Bethesda, Maryland

NIH Headquarters

The Visitor Information page on the main NIH website provides maps, directions, shuttle schedules, and parking information. When visiting this location, we encourage you to use public transportation and to leave extra time for NIH security. The NIDDK has offices and labs in multiple buildings on campus, including the NIH Clinical Center.

9000 Rockville Pike
Bethesda, MD 20892

Map It or take the NIH Virtual Tour

Democracy Plaza Two

Democracy Plaza Two can be accessed by car or with the Rockledge Shuttle from NIH Headquarters.

6707 Democracy Boulevard
Bethesda, MD 20892

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Phoenix, Arizona

The Phoenix Epidemiology and Clinical Research Branch (PECRB) conducts epidemiologic and clinical research on the campus of the Phoenix Indian Medical Center and in two other clinics in the surrounding area. Genomic research is done in a lab on a medical school campus in nearby downtown Phoenix.


NIH Research Clinic, Valleywise Health
Comprehensive Health Center Bldg.
Room # 3051 (3rd Floor)
2525 E. Roosevelt St. Phoenix, AZ, 85008
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NIDDK Clinic, Guadalupe Presbyterian Church
8619 S Avenida del Yaqui
Guadalupe, AZ 85283
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NIDDK, Phoenix Epidemiology & Clinical Research Branch
4212 North 16th Street, 5th floor
Phoenix, AZ 85016
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NIDDK, Phoenix Epidemiology & Clinical Research Branch
445 N 5th St., 2nd floor
Phoenix, Arizona 85004
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Last Reviewed May 2024