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

Q1 2023 CGDP Invoices and Reports Distribution

Q1 2023 Medicare Coverage Gap Discount Program quarterly invoices and reports have been distributed to Drug Manufacturers and Part D Sponsors. The distribution process was completed on Friday, April 28, 2023. Deadline is June 8, 2023. Learn More

CGDP Cutoff Dates

Reporting Period: Q1 2023
Invoice Distribution: Friday, April 28, 2023
Invoice Payment Deadline: Thursday, June 8, 2023
Disputes Submission Deadline: Friday, June 30, 2023

Learn More >