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Centralized Data Repository

The Centralized Data Repository (CDR) provides access to centralized claims, provider, and beneficiary data within a secure HCQIS cloud environment. The CDR increases the accessibility, security, quality, and timeliness of data. There is data ingestion from source systems, less transformations, and better quality data all around. There is a reduction in data duplication and data conflict since all CCSQ/HCQIS users use the same data from the same source. This page identifies the data sources used by or available on the CDR.


CDR Data Catalog

This page lists the current schemas available on the CDR. All data will more closely reflect the source system.

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Data Roadmap

View the roadmap, as of August 30, 2021, of the legacy data sources and the future AWS data sources that will be available in the CDR. 

CDR Contributor Resources

This page provides resources and documentation to the Centralized Data Repository (CDR) contributors, including documentation requirements and data issue reporting.

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Mapping DUAs to CDR

This page provides information for completing a Data Use Agreement (DUA) request and correctly mapping the DUA to the CDR data catalog. 

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Data Taxonomy

This link describes the purpose, structure, and content of the CMS data taxonomy. The data taxonomy is a hierarchical structure that describes the types of data that are necessary to accomplish the CMS mission.

Data Taxonomy


Bring Your Own Data (BYOD)

This page provides information on the Bring Your Own Data (BYOD) process for users and contributors who wish to bring their own data to the CDR and/or Workbench.  

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