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News Updates from CMS
2022 and 2023 T-MSIS Medicaid and CHIP Data Now Available

CMS is pleased to announce that updated and preliminary Medicaid T-MSIS Analytic Files (TAFs) for service years 2022 and 2023, respectively, are now available.

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News Updates from CMS
DUA Extension and Closure Policy

All DUAs, regardless of how the data is accessed, must be extended annually or closed if you are no longer using the data.

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News Updates from CMS
Important Research Data Request & Access Policy Changes

(Updated 09/20/24): In February 2024, CMS announced planned changes to our research data access policy to help protect sensitive beneficiary information from increasing security risks.

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News Updates from CMS
New Enrollee-level EDGE Data Now Available for Research

CMS is pleased to announce the availability of the Enrollee-Level External Data Gathering Environment (EDGE) Limited Data Set (LDS) for the 2022 benefit year to requesters who seek the data for research purposes.

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News Updates from CMS
CMMI Model Data Sharing (CMDS) Initiative Makes New Model Participation Data Available to Researchers

CMS is pleased to announce the availability of Research Identifiable Files (RIFs) for one additional CMS Innovation Center model.

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This video describes CMS' definition of research and explains how to…

Upcoming Events

Introduction the the Use of Medicaid CHIP TAF (T-MSIS Analytic File) Data for Research
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women looking at data on laptop

Medicaid TAF (T-MSIS Analytic File) data are optimized for researchers to analyze enrollment,…

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Introduction to the Use of Medicare Encounter Data for Research
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audience members raising hands in presentation

Claims for a Medicare beneficiary enrolled in Medicare Advantage (also known as “Part C”) are…

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Introduction to the Use of Medicare Part D Data for Research
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paper exchanging between hands

Understanding the origin, structure and contents of the Medicare Part D data is essential to…

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