Attention Needed: ResDAC Phone Number Update Effective June 15

Hello Researchers,

As part of Centers for Medicare & Medicaid Services’ (CMS’) ongoing efforts to improve service coordination and ensure timely support, we are announcing a new phone number for the Research Data Assistance Center (ResDAC).

Effective June 15, 2026, you can reach ResDAC by phone at 844-685-3100.

Please use this new phone number to ensure timely communication with CMS. As a reminder, you can reach ResDAC by email at datarequests@cms.hhs.gov.

CMS looks forward to continued collaboration with researchers and appreciates your ongoing partnership.

Centers for Medicare & Medicaid Services (CMS) has sent this update. To contact Centers for Medicare & Medicaid Services (CMS) go to our contact us page.

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