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Medicaid Drug Rebate Program (MDRP) File Formats, Data Definitions, and Medicaid Drug Programs (MDP) Email Communications

Medicaid Drug Rebate Program (MDRP) file formats are used by CMS, states, and manufacturers to transmit and receive various data required by the MDRP.  CMS implemented a new Medicaid Drug Programs (MDP) system in 2021. We have posted the MDP file formats, as well as state and manufacturer email communications below.

State MDP File Formats / Data Definitions (.TXT / .CSV) – Effective August 5, 2021

Manufacturer MDP File Formats / Data Definitions (.TXT / .CSV) – Effective November 8, 2021

If you have any questions, please contact us at MDROperations@cms.hhs.gov.

Disclaimer: Please note that the information provided on this web page does not bind or obligate the Centers for Medicare and Medicaid Services (CMS). The statements included on this web page are intended to provide information on Medicaid Drug Rebate Program File Formats and Data Definitions and do not in any way revise or modify the requirements set forth in Section 1927 of the Act, the national drug rebate agreement (NDRA), subsequent program releases, or regulations. 

Page last updated June 28, 2024