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  4. Organizational Chart
  • HHS Family of Agencies
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HHS Organizational Charts Office of Secretary and Divisions

Select an office to see its organizational chart.

  • Administration for Children and Families (ACF)

  • Immediate Office of the Secretary (IOS)

  • Office of the Assistant Secretary for Administration (ASA)

  • Administration for Community Living (ACL)

  • Office of Intergovernmental and External Affairs (IEA)

  • Office of the Assistant Secretary for Financial Resources (ASFR)

  • Agency for Healthcare Research and Quality (AHRQ)*

  • Office of the Assistant Secretary for Health (OASH)

  • Office of the Secretary (OS)

    Our offices, known as staff divisions, support the HHS Secretary by overseeing operations, providing guidance, and ensuring laws are followed fairly. Our focus is on public health, health care, and human services.
  • Advanced Research Projects Agency for Health (ARPA-H)

  • Agencies

    Our agencies, known as operating divisions, administer a wide variety of health and human services and conduct life-saving research for the nation.
  • Office of the Assistant Secretary for Legislation (ASL)

  • Administration for Strategic Preparedness and Response (ASPR)*

  • Office of the Assistant Secretary for Planning and Evaluation (ASPE)

  • Agency for Toxic Substances and Disease Registry (ATSDR)*

  • Office of the Assistant Secretary for Public Affairs (ASPA)

  • Centers for Disease Control and Prevention (CDC)*

  • Office for Civil Rights (OCR)

  • Centers for Medicare & Medicaid Services (CMS)

  • Departmental Appeals Board (DAB)

  • Food and Drug Administration (FDA)*

  • Office of the General Counsel (OGC)

  • Health Resources and Services Administration (HRSA)*

  • Office of Global Affairs (OGA)*

  • Secretary

    Deputy Secretary

    Chief of Staff

  • Indian Health Service (IHS)*

  • Office of Inspector General (OIG)

  • National Institutes of Health (NIH)*

  • Office of Medicare Hearings and Appeals (OMHA)

  • Office of the Assistant Secretary for Technology Policy and Office of the National Coordinator for Health Information Technology (ASTP/ONC)

  • Substance Abuse and Mental Health Services Administration (SAMHSA)*

  • HHS Chief Information Officer

Content created by Digital Communications Division (DCD)
Content last reviewed August 21, 2025
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