Stratified Reporting
Stratified Reporting
To comprehensively address and eliminate health disparities, it is necessary to measure and publicly report – in a standardized and systematic way – the nature and extent of health care disparities. Stratified Reporting provides useful information for targeting quality improvement activities and resources, monitoring health and drug plan performance, and advancing the development of culturally and linguistically appropriate quality improvement interventions and strategies.

Disparities in Health Care in Medicare Advantage by Race, Ethnicity, and Sex: April 2022
The following report summarizes the quality of health care received by Medicare Advantage enrollees nationwide, highlighting racial and ethnic differences in health care experiences and comparing the quality of care between men and women.
Trends in Racial, Ethnic, Sex, and Rural-Urban Inequities in Health Care in Medicare Advantage: 2009-2018
The following report summarizes inequities in the quality of care delivered to Medicare beneficiaries enrolled in Medicare Advantage plans nationwide from 2009 to 2018. The report examines racial, ethnic, sex, and rural-urban differences in quality of health care beginning in 2009 and identifies how scores for each group have changed over time, pointing out health inequities that persisted until 2018.
Disparities in Health Care in Medicare Advantage Associated with Dual Eligibility or Eligibility For Low-Income Subsidy
2021 DE/LIS National Disparities Stratified Report (PDF)
View the newly released Medicare Advantage quality care data, which includes information about differences in clinical care by dual eligibility for Medicare and Medicaid or eligibility for a Low-Income Subsidy (DE/LIS status). The data also examines how differences based on DE/LIS status vary by race and ethnicity and between rural and urban areas.
Part C and D Performance Data Stratified by Race, Ethnicity, and Gender
The following reports describe the quality of health care received by Medicare beneficiaries enrolled in Medicare Advantage plans nationwide, highlighting racial and ethnic differences in health care experiences and comparing the quality of care for men and women.
2021 Stratified Reports
April 2021
- 2020 Stratified Reports
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April 2020
- 2019 Stratified Reports
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April 2019
- 2018 Stratified Reports
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April 2018
- 2017 Stratified Reports
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April 2017
- 2016 Stratified Reports
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November 2016
- 2015 Stratified Reports
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April 2016
Part C and D Performance Data Stratified by Geography (Rural/Urban)
The following reports describes rural-urban differences in health care experiences and clinical care received by Medicare beneficiaries and compares the quality of care delivered to rural and urban Medicare beneficiaries. The reports also look at how these differences vary by race and ethnicity.
2020 Stratified Report (Rural/Urban)
November 2020
- 2019 Stratified Report (Rural/Urban)
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November 2019
- 2018 Stratified Report (Rural/Urban)
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November 2018
Questions?
The CMS Office of Minority Health welcomes your questions about the stratified data contained in these files or how health plans could utilize these data for quality improvement purposes, please contact CMS Health Equity Technical Assistance at: HealthEquityTA@cms.hhs.gov.