NIH is made up of 27 Institutes and Centers, each with a specific research agenda, often focusing on particular diseases or body systems. NIH leadership plays an active role in shaping the agency’s activities and outlook. Learn more about NIH.

Organization chart.

List of NIH Institutes, Centers, and Offices

A listing of the institutes, centers, and offices that make up the NIH.

Close-up of the front of Building One.

NIH Office of the Director

The central office at NIH responsible for setting policy and planning, managing, and coordinating NIH programs and activities.

An artistic collage of faces

Directors of NIH Institutes and Centers

The directors of the institutes, centers, and offices that make up the NIH.

Collage of envelopes

Mailing Addresses for NIH Institutes and Centers

Mailing addresses for the institutes, centers, and offices that make up the NIH.