CERT Reports

Each November, the Department of Health and Human Services (HHS) publishes the improper payment rate in the Agency Financial Report at www.hhs.gov/afr. CMS later publishes more detailed improper payment rate information in the form of the annual Medicare Fee-for-Service (FFS) Improper Payments Report and Appendices. This list contains reports produced by the Comprehensive Error Rate Testing (CERT) program, including the annual Medicare FFS Improper Payments report.

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Report Year	Report Name	Release Date
Report Year 2024	Report Name 2024 Medicare Fee-for-Service Supplemental Improper Payment Data	Release Date 2024-11-25
Report Year 2023	Report Name 2023 Medicare Fee-for-Service Supplemental Improper Payment Data	Release Date 2023-12-07
Report Year 2022	Report Name 2022 Medicare Fee-for-Service Supplemental Improper Payment Data	Release Date 2022-12-08
Report Year 2021	Report Name 2021 Medicare Fee-for-Service Supplemental Improper Payment Data	Release Date 2021-12-07
Report Year 2020	Report Name 2020 Medicare Fee-for-Service Supplemental Improper Payment Data	Release Date 2021-04-21
Report Year 2019	Report Name 2019 Medicare Fee-for-Service Supplemental Improper Payment Data	Release Date 2021-04-21
Report Year 2018	Report Name 2018 Medicare Fee-for-Service Supplemental Improper Payment Data	Release Date 2018-11-30
Report Year 2017	Report Name 2017 Medicare Fee-for-Service Supplemental Improper Payment Data	Release Date 2018-01-08
Report Year 2016	Report Name Medicare Fee-for-Service 2016 Improper Payments Report	Release Date 2017-07-27
Report Year 2016	Report Name Appendices Medicare Fee-for-Service 2016 Improper Payments Report	Release Date 2016-12-16

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