Accessing CMS Data

Research files created by the Medicare & Medicaid Resource Information Center (MedRIC) link HRS data to detailed information about health care utilization from records maintained by the Centers for Medicare & Medicaid Services (CMS).

Available Data

CMS Research Files Documentation Available Years
Parts A and B Claims and Summary Files 1991-2016
Part D Drug Event Files Data Dictionary 2006-2016
Minimum Data Set (MDS) Assessment and Summary Files 1999-2016
Outcomes and Assessment Information Set (OASIS) Assessment and Summary Files 1999-2016
Medicaid Analytic Extracts (MAX) and Summary Files 1999-2012

Additional Documentation

Application Process

Unlike other HRS restricted data, the HRS linked CMS data are created and supplied by others. The Medicare & Medicaid Resource Information Center (MedRIC) creates and supplies the linked data and the Research Data Assistance Center (ResDAC) provides authorization. So while HRS is your first step in applying for the HRS linked CMS data, you will have two more application processes to request and obtain the data through these organizations.

View this graphic for an overview of the entire application process.

Diagram showing an overview of the HRS-CMS Linked Data Application process.

Step 1. Submit Application for HRS Restricted Data

  • Follow instructions for applying through the VDI or Traditional License.
    • Only users at the University of Michigan can apply through the VDI. All others must use the Traditional License.
    • Include the Restricted CMS Data Products Order Form in your application. Although HRS does not provide the data, this form lets us know which products you are requesting.

Step 2. Submit a ResDAC Research Identifiable Files (RIF) Request Packet to obtain a CMS DUA

Step 3. Request a MedRIC data licensing agreement

Step 4. Data Access

  • If you applied through the VDI, you will be contacted by HRS staff with the details you need to login to the enclave from your computer through the VDI.
  • If you applied through the Traditional License, you will receive data files from MedRIC, and cross-reference files from HRS.