The Master Data Management (MDM) platform is being formally retired as part of CMS’s broader data modernization effort.
This is the first of a series of notifications for all MDM data users and consumers about the decommissioning of the MDM PMI/SPP and NPI Profile provider data products.
- The final data refresh of the MDM PMI/SPP and NPI Profile provider data products will occur on November 12, 2026.
- Effective November 13, 2026, please contact IDR Support for any MDM PMI/SPP and NPI Profile access needs or data inquiries.
- MDM termination of external data shares and S3 access will take effect November 18, 2026.
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A snapshot of the final data refresh of the MDM PMI/SPP and NPI Profile provider data products will reside in the IDR by November 18, 2026.
If your applications, reports, or processes rely on the MDM PMI/SPP and/or NPI Profile data products, please begin planning for this change by contacting the IDR Support team at MDM-IDR-Migration@GDIT.com and the CMS IDR Support team at CMSIDR_Support@cms.hhs.gov to migrate to alternate provider data in the Integrated Data Repository (IDR).
For all MDM questions, please contact the MDM team at MDMTeam@cms.hhs.gov.