News updates from CMS

Research Data Request & Access Policy Changes Feedback Opportunity

The Centers for Medicare & Medicaid Services (CMS) continues to evaluate our research data request and access policies, processes, and tools to ensure we are maximizing protections for controlled unclassified information (e.g., personally identifiable information and protected health information) while also enabling important research using CMS data.

Accountable Health Communities (AHC) Model Data Now Available

CMS is pleased to announce the availability of a new Research Identifiable File (RIF) for the Center for Medicare and Medicaid Innovation (Innovation Center) Accountable Health Communities (AHC) Model.

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.

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.

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.

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.

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.

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.

DUA Extension and VRDC Access Renewal Reminder

Reminder: Data Use Agreements (DUAs) and Virtual Research Data Center (VRDC) access needs to be extended or renewed annually.  

2022 Preliminary Medicare Encounter Data Now Available

CMS is pleased to announce the release of the Preliminary 2022 Medicare Advantage (MA, also known as Part C) Encounter Research Identifiable Files (RIFs).

Oncology Care Model (OCM) Data Now Available

CMS is pleased to announce the availability of a set of Research Identifiable Files (RIFs) from the CMS Innovation Center's Oncology Care Model (OCM).

Medicare Bayesian Improved Surname Geocoding (MBISG) Data Now Available

CMS is pleased to announce the availability of a new Research Identifiable File (RIF) that utilizes the Medicare Bayesian Improved Surname Geocoding (MBISG) algorithm to predict the race and ethnicity of Medicare beneficiaries.