Reminder: DUA and VRDC access needs to be extended or renewed annually. Read more.
RIF Request Forms: Role Definitions
The RIF request process requires identification of people with specific roles for the project. Proper understanding of job roles will save time and prevent the need for later revisions.
Download resource document:
RIF Request Forms - Role Definitions (PDF)
PY4 of Next Generation ACO Model RIFs Now Available
CMS is pleased to announce the availability of Next Generation Accountable Care Organization (NGACO) Model Research Identifiable Files (RIFs) for Performance Year 4.
Founding PI of ResDAC Passes at 79
![](/sites/datadocumentation.resdac.org/files/2023-11/Marshall.png)
ResDAC is sad to recognize the death of Dr. A. Marshall McBean. Marshall was the founding PI of ResDAC in 1995 and remained as such for 18 years. He was an initial instructor of CMS 101–a course that is still our most popular.
Request Submission Instructions: Qualified Entity (QE)
After receiving your Phase 2 compliance notification, you may submit a request through ResDAC to obtain Medicare data. Please include "QE Request" in the subject line of the email.
Establish a new Data Use Agreement (DUA)
To request data for the first time, you must submit the following documents to establish a DUA with CMS.
2020 Preliminary Medicaid and CHIP Data Now Available
CMS is pleased to announce the availability of Preliminary Medicaid T-MSIS Analytic Files (TAFs) for calendar year 2020. The TAF research files* contain data on Medicaid and Children's Health Insurance Program (CHIP) beneficiary demographics, program enrollment, service use, and payments. They are designed to meet the diverse research needs of the Medicaid and CHIP data user community.
2019 Medicare Advantage (Part C) Encounter Data Now Available
CMS is pleased to announce the availability of updated 2019 Medicare Advantage (Part C) Encounter data. In June 2021, CMS released a “Preliminary” version of the 2019 Medicare Advantage (MA) Encounter RIFs to give researchers earlier access to Encounter data for this service year. The Preliminary 2019 RIF data was not fully mature because Medicare Advantage Organizations (MAOs) were still submitting encounter records for that service year to CMS.