National Institutes of Health
Medical research organization in the United States "NIH" redirects here. For other uses, see NIH (disambiguation). National Institutes of Health (NIH) National Institutes of Health logo Aerial photo of the NIH Mark O. Hatfield Clinical Research Center, Bethesda, Maryland Agency overview Formed 1887 ( 1887 ) Preceding agency Hygienic Laboratory Headquarters Bethesda, Maryland, U.S. Employees 20,262 [1] Annual budget US$37 billion [2] (as of 2018 [update] ) [3] Agency executive Francis S. Collins, Director Parent agency Department of Health & Human Services Child agencies National Cancer Institute National Institute of Allergy and Infectious Diseases National Institute of Diabetes and Digestive and Kidney Diseases National Heart, Lung, and Blood Institute National Library of Medicine Website www.nih.gov The National Institutes of Health ( NIH ) ( / ɛ n aɪ ˈ eɪ tʃ / ; each letter separately) is the primary