Welcome to the Third Party Administrator (TPA)

The TPA website is the gateway to the Coverage Gap Discount Program (CGDP). The TPA is the single organization entity responsible for facilitating the transfer of CGDP funds between Pharmaceutical Drug Manufacturers and Part D Health Plan Sponsors.

Visitors to the website can access information about the CGDP including information regarding invoicing and payment procedures. In addition, users can access valuable links to CMS instructions and other official resources.

Important Update

Q2 2024 CGDP Invoice Payments Due Wednesday, October 9, 2024

Manufacturers and Part D Sponsors are required to pay all Q2 2024 invoice amounts by Wednesday, October 9, 2024. All CGDP payments must be made via the Portal. Learn More

CGDP Cutoff Dates


Reporting Period: Q2 2024
Invoice Distribution: Friday, August 30, 2024
Invoice Payment Deadline: Wednesday, October 9, 2024
Disputes Submission Deadline: Thursday, October 31, 2024

Learn More >