Medicare Data Finder and Crosswalk Files

Purpose

This article provides a link and overview of the document on finder and crosswalk files written by the CMS data distributor, Skyward Dynamics Information Technology (SDIT).

Current Version Date:
07/30/2025
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Researchers seeking information on finder and crosswalk files can refer to the article, “Submission of Finder Files for Approved Research Data Requests." In addition to outlining the required encryption standards, the article includes:

  • finder file submission password and shipping address requirements
  • identifier options for finder files and crosswalks
  • required formats for submitted finder files

Questions regarding finder and crosswalks files can be directed to ResDAC, resdac@umn.edu or 1-888-973-7322.

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Article Information

Author(s):
Gerri Barosso, RD, MPH, MS
Level:
Intermediate
Topic:
Request Process
Program:
Medicare
Category:
Assessment, Beneficiary Enrollment and Summary, Medicaid Utilization, Medicare Encounter, Medicare Fee-For-Service Claims, Part D
Disclaimer:
The process and materials mentioned as part of this KnowledgeBase article are current, as of the publication date on the article, to the best of our knowledge. The examples provided are correct in the aggregate but may not apply to every subgroup or circumstance that a researcher may wish to study. It is up to the researcher to conduct analysis and confirm that the patterns described in this KnowledgeBase article apply to his/her particular study. If your research findings appear to contradict the advice provided, please contact ResDAC.