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U.S. Department of Health and Human Services

The Department of Health and Human Services (HHS) protects the health of all Americans and provides essential human services.

March 2025 workforce snapshot. U.S. Department of Health and Human Services had 92,269 employees with an average salary of $134,256. The largest component agency was National Institutes of Health.

Contact details

Main address

200 Independence Ave., SW Washington, DC 20201

Use this address block when you need the main headquarters mailing address or the official contact page for U.S. Department of Health and Human Services.

Largest component agencies in Health and Human Services

This table shows the biggest component agencies or major organizational units reported under U.S. Department of Health and Human Services in the latest OPM workforce summary.

Agency Employees Total salary expense Average pay Share of department
National Institutes of Health 21,299 $3,067,609,774 $144,026 23.1%
Food and Drug Administration 20,721 $3,182,103,249 $153,569 22.5%
Indian Health Service 13,860 $1,309,714,560 $94,496 15.0%
Centers for Disease Control and Prevention 12,581 $1,657,823,532 $131,772 13.6%
Centers for Medicare & Medicaid Services 6,620 $948,142,880 $143,224 7.2%
Administration for Strategic Preparedness and Response 4,989 $507,066,993 $101,637 5.4%
Office of the Secretary of Health and Human Services 3,036 $461,793,816 $152,106 3.3%
Health Resources and Services Administration 2,679 $378,566,811 $141,309 2.9%
Administration for Children and Families 2,296 $310,313,584 $135,154 2.5%
Office of Inspector General 1,535 $215,019,730 $140,078 1.7%
Substance Abuse and Mental Health Services Administration 929 $124,175,714 $133,666 1.0%
Office of Medicare Hearings and Appeals 632 $75,173,240 $118,945 0.7%
Program Support Center 387 $48,751,938 $125,974 0.4%
Agency for Healthcare Research and Quality 280 $44,516,640 $158,988 0.3%
Administration for Community Living 260 $33,233,460 $127,821 0.3%
Agency for Toxic Substances and Disease Registry 165 $23,621,235 $143,159 0.2%

Component agency counts use the latest OPM summary release for March 2025. A few very small units may be rounded or grouped in the source file.

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Contact details and office links come from the USA.gov agency directory. Workforce counts and average pay come from the latest OPM FedScope Employment Summary Data (March 2025).