CMS is deeply involved in quality assurance and improvement within healthcare settings. The agency implements various quality initiatives such as the Hospital Compare and Nursing Home Compare websites, which provide public access to performance data on healthcare facilities. These initiatives help to promote transparency, enabling patients and families to make informed decisions about their care. CMS also oversees the Quality Improvement Organizations (QIOs) program, which works to improve the effectiveness, efficiency, economy, and quality of services delivered to Medicare beneficiaries.