CMS is pleased to announce that all researchers will be allowed to request LDS data on a quarterly basis in addition to the annual files.

The Centers for Medicare and Medicaid Services has created a set of standard analytical files that contain Pioneer Accountable Care Organizations.

CMS logo in front of Health and Human Services building

The Research, Statistics, Data & Systems page on the CMS website contains a number of links to CMS statistical information. You will find links to reports, publications, downloadable public use files, and descriptions of data available.

pen resting on a checklist

Interested in requesting CMS data? Visit our CMS Data Request Center where you will find resources for preparing and submitting your request.

hands on the starting line of a race

Our guide to Getting Started with CMS Data will provide you with the resources to help you understand if CMS data is right for your project.

1
2
3
4
5

Contact Us

Getting Started

New to CMS data? Check out this guide to Getting Started. You'll find resources on:

  • CMS data strengths and limitations
  • choosing the right files
  • preparing a data request
  • data analysis tips