Data File Exchanges

CMS provides state Medicaid agencies with multiple data exchanges to support coordination and program operations for people who are dually eligible for Medicare and Medicaid.

These data exchanges include:

  • Enrollment Database (EDB) File

  • Medicare Prescription Drug, Improvement, and Modernization Act (MMA) File

  • Territory Beneficiary Query (TBQ) File

  • Buy-In File Exchange

These data exchanges are covered by an Information Exchange Agreement (IEA) and accompanying Data Request and Attestation (DRA) form. For more information on these agreements, please visit the Data Agreement Page.

Data Agreement Page

Overview of EDB, MMA Buy-in and TBQ Files

This overview document focuses on the following four CMS data files to provide the similarities and differences between each:

  1. Enrollment Database (EDB) File
  2. Medicare Prescription Drug, Improvement, and Modernization Act (MMA) File Exchange
  3. Buy-in Exchange
  4. Territory Beneficiary Query (TBQ) File

This document also provides resources and the Centers of Medicare and Medicaid’s contact information. If you are looking for additional information please be sure to contact us.

Download Here

To learn more about the MMA exchange file offered by CMS, click below.

MMA File Exchange

To learn more about the files encompassed under the Medicare-Medicaid Data Sharing Program, click below.

Data Sharing Overview Document

To learn more about the Buy-In File offered by CMS, click below.

Buy-In File Exchange