This page contains performance data related to the Part C & D programs.
Please check back again as this page is updated on a regular basis.
Downloads
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2024 Categorical Adjustment Index Measure Supplement (PDF) -
2023 Display Measures (ZIP) -
Tukey Outlier Deletion Simulations (ZIP) -
Cut Point Trends (ZIP) -
2023 Medicare Star Ratings Fact Sheet (PDF) -
2023 Star Ratings Technical Notes (PDF) -
2023 Star Ratings Data Table (ZIP) -
2023 Categorical Adjustment Index Measure Supplement (PDF) -
2022 Display Measures (ZIP) -
2022 Star Ratings Fact Sheet_10_8_2021 (PDF) -
2022 Star Ratings Technical Notes (Oct 4 2022) (PDF) -
2022 Star Ratings Data Table (Oct 06 2021) (ZIP) -
2022 Categorical Adjustment Index Measure Supplement (PDF) -
2021 Display Measures 2021_03_30 (ZIP) -
2021_Star_Ratings_Fact_Sheet 10 13 2020 (PDF) -
2021_Tech_Notes_2020_10_01 (PDF) -
2021 Star Ratings Data Table (Oct 08 2020) (ZIP) -
2021 CAI Measure Selection Supplement (PDF) -
2020_Display_Measures_2020_01_10_2 (ZIP) -
Star Ratings Technical Notes (Oct 10 2019) (PDF) -
2020 Star Ratings Fact Sheet (PDF) -
2020 Star Ratings Data Table (Oct 21 2019) (ZIP) -
2020 CAI Measure Selection Supplement (PDF) -
2019 Part C and D Medicare Star Ratings Data (v04 12 2019) (ZIP) -
2019_Display_Measures_2019_06_20 (ZIP) -
Industry-wide Appeals Timeliness Monitoring Memo (November 28, 2016) (PDF) -
Industry-wide Timeliness Monitoring (PDF) -
2018 Star Ratings and Display Measures (ZIP) -
2017_Star_Ratings_and_Display_Measures (ZIP) -
2016_Star_Ratings_and_Display_Measures (ZIP) -
2015_Star_Ratings_and_Display_Measures (ZIP) -
2014_Star_Ratings_and_Display_Measures (ZIP) -
2013_Plan_Ratings_and_Display_Measures (ZIP) -
2012_Plan_Ratings_and_Display_Measures (ZIP) -
2011_Plan_Ratings_and_Display_Measures (ZIP) -
2010_Plan_Ratings_and_Display_Measures (ZIP) -
2009_Plan_Ratings (ZIP) -
2008_Plan_Ratings (ZIP) -
2007_Plan_Ratings (ZIP) -
2014 RFI Submissions (02252015) v2a (ZIP) -
Historical Categorical Adjustment Index Documents (ZIP)