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

Q3 2021 CGDP Reporting Period Deadline - December 9, 2021

Manufacturers and Part D Sponsors are required to pay all Q3 2021 invoiced amounts by Thursday, December 9, 2021. All CGDP payments must be made via the Portal per the Direct Payment Process and are required to be paid in full by the deadline. Learn More

CGDP Cutoff Dates


Reporting Period:Q3 2021
Invoice Distribution: 10/31/2021
Invoice Payment Deadline: 12/9/2021
Disputes Submission Deadline: 12/31/2021

Learn More >