Important: New Email Address for CMS Research Identifiable File Requests
We have an important update about contacting ResDAC.
Starting Monday, March 30, please use our new email address for all data requests, inquiries, and DUA maintenance tasks:
[email protected]
Acute Hospital Care at Home (AHCAH) Data Now Available
CMS is pleased to announce the availability of a new set of Research Identifiable Files (RIFs) for the Acute Hospital Care at Home (AHCAH) initiative. This is the second release of the data, covering the time period from April 2023 through September 2025.
Research Data Request & Access Policy Changes Update
CMS appreciates the feedback researchers provided over the past 18 months in response to CMS’ Request for Information and feedback opportunity. Based on this feedback, CMS has decided to delay the requirement to transition all research studies into the CCW VRDC indefinitely. Instead, CMS is implementing updated security requirements to better protect patient information while still meeting researchers’ needs. Please click here for more information on this announcement and the new requirements.
2023 and 2024 T-MSIS Medicaid and CHIP Data Now Available
CMS is pleased to announce that Medicaid T-MSIS Analytic Files (TAFs) for service years 2023 and 2024 are now available.
Long-Term Care Hospital (LTCH) Continuity Assessment Record and Evaluation (CARE) Data Set (LCDS) Now Available
CMS is pleased to announce the availability of the Long-Term Care Hospital (LTCH) Continuity Assessment Record and Evaluation (CARE) Data Set (LCDS) as a new Research Identifiable File (RIF).
Kidney Care Choices (KCC) Model Data Now Available
CMS is pleased to announce the availability of new Research Identifiable Files (RIFs) for the Center for Medicare and Medicaid Innovation (Innovation Center) Kidney Care Choices (KCC) Model.
New Enrollee-level EDGE Data Now Available for Research
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 two additional CMS Innovation Center models.
Improvements to the MBSF Base A/B/C/D file and the MBSF OTCC file!
CMS is pleased to announce the release of the enhanced Master Beneficiary Summary File (MBSF) Base A/B/C/D Version 2 (V2) file starting with the 2023 enrollment year. Additionally, the MBSF Other Chronic and Potentially Disabling Conditions (OTCC) file has also been improved.
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.
