HHS has 11 operating divisions, including eight agencies in the U.S. Public Health Service and three human services agencies. These divisions administer a wide variety of health and human services and conduct life-saving research for the nation, protecting and serving all Americans.
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.
The Administration for Community Living increases access to community support and resources for the unique needs of older Americans and people with disabilities.
The Agency for Healthcare Research and Quality supports research designed to improve the quality of healthcare, reduce its costs, address patient safety and medical errors, and broaden access to essential services.
The Agency for Toxic Substances and Disease Registry prevents exposure to toxic substances and the adverse health effects and diminished quality of life associated with exposure to hazardous substances from waste sites, unplanned releases, and other sources of environmental pollution.
The Centers for Disease Control and Prevention, part of the Public Health Service, protects the public health of the nation by providing leadership and direction in the prevention and control of diseases and other preventable conditions, and responding to public health emergencies.
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.
The Food and Drug Administration, part of the Public Health Service, ensures 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.
The Health Resources and Services Administration improves access to health care services for people who are uninsured, isolated or medically vulnerable.
The Indian Health Service, part of the Public Health Service, provides American Indians and Alaska Natives with comprehensive health services by developing and managing programs to meet their health needs.
The National Institutes of Health, part of the Public Health Service, supports biomedical and behavioral research with the United States and abroad, conducts research in its own laboratories and clinics, trains promising young researchers, and promotes collecting and sharing medical knowledge.
The Substance Abuse and Mental Health Services Administration, part of the Public Health Service, improves access and reduces barriers to high quality, effective programs and services for individuals who suffer from or are at risk for addictive and mental disorders, as well as for their families and communities.
Content last reviewed on January 7, 2015