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| Source | The data | Years |
|---|---|---|
| Hospitals | ||
| Care Compare | The overall star and every measure behind it: patient experience, readmissions, mortality, safety, timeliness, per hospital. | 2014 to 2026 |
| The programs that pay for it | Readmission penalties, value-based purchasing scores, per hospital and year. | 2013 to 2026 |
| Infections | Healthcare-associated infection progress, national and state. | 2009 to 2024 |
| Everyone else | ||
| Post-acute stars | Home health, hospice, nursing homes, dialysis: the stars and the measures. | 2015 to 2026 |
| Dialysis quality | ESRD quality incentive scores per facility. | 2012 to 2026 |
| Clinicians | MIPS scores from the Quality Payment Program. | 2017 to 2024 |
| Health plans | HEDIS and the Health Outcomes Survey, per Medicare Advantage contract. | 2019 to 2025 |
| Methods and benchmarks | ||
| How the measures are made | The readmission methodology corpus and AHRQ's quality indicator definitions and benchmarks. | 2008 to 2026 |
| The national and state view | AHRQ's quality and disparities measures; Medicaid health home quality. | 2019 to 2024 |
| What is not here | ||
| Scores are the public releases, on their own clock; a hospital's rating and its prices are separate files, joined by CCN. | ||
| Never public: chart-level outcomes. | ||
Built from 9 CMS release streams. Every table, its columns and its dates