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Operating Divisions

HHS Operating Divisions are responsible for implementing programs that touch the lives of all Americans. Whether it’s providing millions of children, families, and seniors with access to high-quality health care, helping people find jobs and parents find quality child care, keeping the food on Americans’ shelves safe and infectious diseases at bay, or exploring new frontiers of biomedical research, we are working every day to give Americans the building blocks they need to live healthy, successful lives. Learn more about these Agencies by selecting the links below:

Administration for Children and Families (ACF)

The Administration for Children & Families promotes the economic and social well-being of families, children, individuals and communities through a range of educational and supportive programs in partnership with states, tribes, and community organizations.

Established: 1991, bringing together several already-existing programs
2013 Budget (billions): $49.73
Staff: 1,287
Headquarters: Washington, DC
Phone: 202-401-9200

Learn more about the work of ACF.
Acting Assistant Secretary of ACF Biography
ACF Organization Chart

Administration for Community Living (ACL)

The Administration for Community Living brings together the efforts of the Administration on Aging and the Administration on Intellectual and Developmental Disabilities to increase access to community support and resources for the unique needs of older Americans and people with disabilities across the lifespan.

Established: 2012, bringing the Administration on Aging, the Administration of Developmental Disabilities, and Office on Disabilities together.
2013 Budget (billions): $2.07
Staff: 148
Headquarters: Washington, DC
Phone: 202-619-0724

Learn more about the work of ACL.
Administrator of ACL Biography
ACL Organizational Chart

Agency for Healthcare Research and Quality (AHRQ)

The Agency for Healthcare Research and Quality, as part of the Public Health Service, is responsible for supporting research designed to improve the quality of healthcare, reduce its costs, address patient safety and medical errors, and broaden access to essential services.

Established: 1989
2013 Budget (billions): $0.43
Staff: 314
Headquarters: Rockville, MD
Phone: 301-427-1364

Learn more about the work of AHRQ.
Director of AHRQ Biography
AHRQ Organizational Chart (PDF-140KB)

Agency for Toxic Substances and Disease Registry (ATSDR)

The Agency for Toxic Substances and Disease Registry, as part of the Public Health Service, is charged with the prevention of exposure to toxic substances and the prevention of the adverse health effects and diminished quality of life associated with exposure to hazardous substances from waste sites, unplanned releases, and other sources of pollution present in the environment.

Phone: 800-232-4636

Learn more about the work of ATSDR.
ATSDR Organizational Summary
Principal Deputy Director of CDC/ATSDR Biography

Centers for Disease Control and Prevention (CDC)

The Centers for Disease Control and Prevention, as part of the Public Health Service, is charged with protecting the public health of the Nation by providing leadership and direction in the prevention of and control of diseases and other preventable conditions, and responding to public health emergencies.

Established: 1946, as the Communicable Disease Center
2013 Budget (billions): $10.24
Staff: 11,086
Headquarters: Atlanta, GA
Phone: 800-232-4636

Learn more about the work of CDC.
Director of CDC Biography
CDC Organizational Chart

Centers for Medicare & Medicaid Services (CMS)

The Centers for Medicare & Medicaid Services combines the oversight of the Medicare program, the Federal portion of the Medicaid program and State Children's Health Insurance Program, the Health Insurance Marketplace, and related quality assurance activities.

Established: 1977, as the Health Care Financing Administration
2013 Budget (billions): $763.14
Staff: 5,951
Headquarters: Baltimore, MD
Phone: 410-786-3000

Learn more about the work of CMS.
Administrator of CMS Biography
CMS Organizational Chart (PDF-13KB)

Food and Drug Administration (FDA)

The Food and Drug Administration (FDA), as part of the Public Health Service, is charged with ensuring that food is safe, pure, and wholesome; human and animal drugs, biological products, and medical devices are safe and effective; and electronic products that emit radiation are safe.

Established: 1906, when the Pure Food and Drugs Act gave regulatory authority to the Bureau of Chemistry
2013 Budget (billions): $4.03
Staff: 14,829
Headquarters: Silver Spring, MD
Phone: 888-463-6332

Learn more about the work of FDA.
Commissioner of FDA Biography
FDA Organizational Charts

Health Resources and Services Administration (HRSA)

The Health Resources and Services Administration (HRSA), an agency of the U.S. Department of Health and Human Services, is the primary Federal agency for improving access to health care services for people who are uninsured, isolated or medically vulnerable.

Established: 1982
2013 Budget (billions): $8.10
Staff: 1,965
Headquarters: Rockville, MD
Phone: 888-275-4772

Learn more about the work of HRSA.
Administrator of HRSA Biography
HRSA Organizational Chart (PDF – 1 page)

Indian Health Service (IHS)

The Indian Health Service, as part of the Public Health Service, provides a comprehensive health services delivery system for American Indians and Alaska Natives, with opportunity for maximum tribal involvement in developing and managing programs to meet their health needs.

Established: 1921 (mission transferred from the Interior Department in 1955)
2013 Budget (billions): $5.31
Staff: 15,429
Headquarters: Rockville, MD
Phone: 301-443-3593

Learn more about the work of IHS.
Director of IHS Biography
IHS Organizational Structure

National Institutes of Health (NIH)

The National Institutes of Health (NIH), as part of the Public Health Service, supports biomedical and behavioral research domestically and abroad, conducts research in its own laboratories and clinics, trains promising young researchers, and promotes acquisition and distribution of medical knowledge.

Established: 1887, as the Hygienic Laboratory, Staten Island, NY
2013 Budget (billions): $29.15
Staff: 18,948
Headquarters: Bethesda, MD
Phone: 301-496-4000

Learn more about the work of NIH.
Director of NIH Biography
Director of NCI Biography
NIH Organizational Charts

Substance Abuse and Mental Health Services Administration (SAMHSA)

The Substance Abuse and Mental Health Services Administration, a part of the Public Health Service, provides national leadership to ensure that knowledge acquired is effectively used for the prevention and treatment of addictive and mental disorders. It strives to improve access and reduce barriers to high quality, effective programs and services for individuals who suffer from or are at risk for these disorders, as well as for their families and communities.

Established: 1992. (A predecessor agency, the Alcohol, Drug Abuse and Mental Health Administration, was established in 1974.)
2013 Budget (billions): $3.35
Staff: 627
Headquarters: Rockville, MD
Phone: 240-276-2000

Learn more about the work of SAMHSA.
Administrator of SAMHSA Biography
SAMHSA Offices and Centers