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Research & Data

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The CMS Office of Minority Health (CMS OMH) offers a variety of resources to help increase awareness about health disparities. Our information products, reports on recent research efforts, data sets, and mapping tool will help you advance your work toward health equity.

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2024 Health Equity-related Data Definitions, Standards, & Stratification Practices (PDF)

This resource can be used as guidance for providers, states, community organizers, and others to improve their health equity-related data collection and analysis. The report includes suggested definitions, standards, and stratification practices for various sociodemographic elements including, race, ethnicity, sex, and others.

Health Care Disparities Data

Go to Overview

Data Highlights

National and regional data on health care service utilization, spending, and quality indicators for the Medicare population.

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Data Snapshots

One-page fact sheets focused on health disparities in the Medicare population.

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Issue Briefs

Insight and examination into a variety of health and health disparity topics.

Research Reports

The CMS Office of Minority Health Research Reports span a broad range of issues, which address the Office’s informational needs and long-term research needs. These resources include high-quality and relevant health policy research through transparency of health care data and analytics.

Featured Reports

Impact of Hospital Readmissions Reduction Initiatives on Vulnerable Populations (PDF)

Opioid Prescription in Medicare Beneficiaries: Prescription Opioid Policies and Implications for Beneficiaries with Sickle Cell Disease (PDF)

Putting Patients First: Today's Disparities Research Leading to Health Equity Tomorrow (PDF)

See All Research Reports

Stratified Reporting

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.

Featured Resources

2023 Disparities in Health Care in Medicare Advantage by Race, Ethnicity, and Sex (PDF)

2023 Disparities in Health Care in Medicare Advantage Associated with Dual Eligibility or Eligibility for a Low-Income Subsidy and Disability (PDF)

2022 Rural-Urban Disparities in Medicare (PDF)

See All Stratified Reports

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Mapping Medicare
Disparities Tool

View areas of disparity between subgroups of Medicare beneficiaries with our interactive tool.

Use the Tool

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Grants and Awards

Learn more about initiatives from the CMS Office of Minority Health, such as the Minority Grant Research Program and Health Equity Awards.

Learn More

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Data Tools

Our user-friendly data tools will help you and your community explore health disparities and help practices and health systems improve their collection of standardized demographic data.