Welcome to the Third Party Administrator (TPA)

On this site, you will be able to access the Manufacturer Payment Portal (MPP) along with finding information and resources for the following programs:

  • Coverage Gap Discount Program (CGDP)
  • Discarded Drug Program (DDP)
  • Manufacturer Discount Program (MDP)
  • Medicare Prescription Drug Inflation Rebate Program (Inflation Rebates)

The TPA website is the payment gateway for manufacturers participating in one or more discount or rebate programs listed.

Logo CGDP Login

CGDP Portal will be integrated into the Manufacturer Payment Portal on January 1, 2025.

Coming Soon...

Logo Manufacturer Payment Portal (MPP)


Contact Third Party Administrator

Call: 1-877-534-2772, Option 1

Fax: 1-803-763-2010

General Inquiries:tpaoperations@tpadministrator.com

Dispute Attachments:disputes@tpadministrator.com

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