The Centers for Medicare & Medicaid Services

The Centers for Medicare & Medicaid Services (CMS) is an agency within the US Department of Health & Human Services responsible for administration of several key federal health care programs. In addition to Medicare (the federal health insurance program for seniors) and Medicaid (the federal needs-based program), CMS oversees the Children’s Health Insurance Program (CHIP), the Health Insurance Portability and Accountability Act (HIPAA) and the Clinical Laboratory Improvement Amendments (CLIA), among other services.