Get information on Centers for Medicare & Medicaid Services (CMS) data resources available through the National Institute on Aging (NIA), and access guidelines for using that data in your study.

To learn how to request CMS data from us, visit the Request: Data page.


Download data documentation for NIA's CMS data inventory, get data usage recommendations, and learn about changes to CMS data.

Access Data Documentation


Review online summaries of the CMS datasets that NIA offers and learn about dataset contents.

Get Inventory Details


Find definitions for common terms in Medicare and Medicaid data sets.

Find Definitions for Medicare and Medicaid Terms


Access video training on CMS datasets.

Go to the List of Videos