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

Manufacturer Data and Invoice Report File Layouts Updates

CMS announces updated file layout changes in the CGDP quarterly invoice Manufacturer Data and Invoice reports. Field length changes on the TPALT (Labeler Trailer) and LBLR (Manufacturers Total at the Labeler Level) record types have been increased. Learn More

CGDP Cutoff Dates


Reporting Period:Q2 2022
Invoice Distribution: 08/31/2022
Invoice Payment Deadline: 10/09/2022
Disputes Submission Deadline: 10/31/2022

Learn More >