Drug Manufacturer ListServs


The Drug Manufacturer ListServ page provides a centralized storage location for distributed email communications regarding the Coverage Gap Discount Program (CGDP) and Third Party Administrator (TPA) news.

Prior years’ ListServs are located on the Archives link under Drug Manufacturer ListServs.


Drug Manufacturer ListServs Articles

Quarter 1 2019 Medicare Coverage Gap Discount Program Invoices and ReportsQuarter 4 2018 Medicare Coverage Gap Discount Program Invoices and ReportsThe Medicare CGDP Q4 2019 invoice payments are due by March 10, 2020Quarter 3 2019 Medicare Coverage Gap Discount Program Invoices and ReportsQuarter 2 2019 Medicare Coverage Gap Discount Program Invoices and ReportsThe Medicare Part D Coverage Gap Discount Program Q2 2019 invoice payments are due by October 9, 2019The Medicare Part D Coverage Gap Discount Program Q4 2018 invoice payments are due by Monday, March 11, 2019The Medicare Part D Coverage Gap Discount Program Q3 2019 invoice payments are due by Monday, December 09, 2019Updated Coverage Gap Discount Program (CGDP) Portal Users Guide Formats Now AvailablePreparing for the Q1 2019 Medicare Coverage Gap Discount Program (CGDP) invoicing periodPreparing for the Q4 2018 Medicare Coverage Gap Discount Program (CGDP) invoicing periodReminder ! The Medicare Coverage Gap Discount Program Q1 2020 invoice payments are due by June 8, 2020Q1 2020 Medicare Coverage Gap Discount Program Invoices and ReportsReminder! The Medicare Coverage Gap Discount Program Q2 2020 invoice payments are due by October 9, 2020Quarter 3 2020 Medicare Coverage Gap Discount Program Invoices and ReportsMedicare Part D CGDP - Updated Payment Information for High Dollar Invoice Line Items Quarter 2 2020 Medicare CGDP Invoices and Reports are available!Reminder! The Medicare Coverage Gap Discount Program Q3 2020 invoice payments are due by December 9, 2020Preparing for the Q3 2020 Medicare Coverage Gap Discount Program invoicing periodQuarter 4 2020 Medicare Coverage Gap Discount Program Invoices and ReportsPreparing for the Q4 2020 Medicare Coverage Gap Discount Program invoicing periodReminder! The Medicare Coverage Gap Discount Program Q4 2020 invoice payments are due by March 11, 2021Quarter 1 2021 Medicare Coverage Gap Discount Program Invoices and ReportsPreparing for the Q1 2021 Medicare CGDP invoicing periodThe Medicare Coverage Gap Discount Program Q1 2021 invoice payments are due by June 8, 2021.Updates to CGDP Quarterly Invoice Manufacturer Data and Invoice Report File LayoutsQ1 2022 Medicare CGDP Invoices and Reports DistributionQ4 2021 Medicare Part D CGDP Invoice payments are due March 11, 2022Q4 2021 Medicare Coverage Gap Discount Program (CGDP) Invoices and Reports DistributionPrepare your CGDP information for the Q4 2021 Invoice Report Distribution Q3 2021 Medicare Part D CGDP invoice payments are due December 9, 2021Prepare CGDP Information for the Q3 2021 Invoice Report DistributionPreparing for the Q1 2020 Invoice ReportPreparing for the Q2 2020 Medicare Coverage Gap Discount Program invoicing periodPreparing for the Q4 2019 Invoice ReportThe Q3 2019 Medicare Coverage Gap Discount Program (CGDP) invoicing period is approachingPrepare CGDP Information for Q4 2022 Invoice Report DistributionPrepare your CGDP information for the Q2 2022 Invoice Report DistributionQ2 2022 Medicare CGDP Invoices and Reports DistributionQ2 2022 Medicare Part D CGDP Invoice Payments are due October 9, 2022Q3 2022 Medicare Part D CGDP Invoice Payments are due December 9, 2022Prepare your CGDP Information for the Q3 2022 Invoice Report DistributionTime to prepare for Q1 2018 Medicare Coverage Gap Discount Program (CGDP) invoicing period.New ListServ Tool for Medicare Part D Coverage Gap Discount Program communicationsReminder! The Q2 2023 Medicare Part D CGDP invoice payments are due Monday, October 9, 2023Prepare CGDP Information for Q3 2023 Invoice Report DistributionQ2 2023 Medicare Coverage Gap Discount Program Invoice & Reports DistributionPrepare CGDP Information for Q2 2023 Invoice Report DistributionPrepare CGDP Information for Q1 2023 Invoice Report DistributionQ1 2023 Medicare Coverage Gap Discount Program Invoice & Reports DistributionQ4 2022 Medicare Part D CGDP Invoice Payments are due Saturday, March 11, 2023Q4 2022 Medicare Coverage Gap Discount Program Invoice & Reports DistributionQ1 2023 Medicare Part D CGDP invoice payments due June 8, 2023Volunteers Needed: Listening Session, Signup by 12/15/23!Prepare CGDP Information for Q4 2023 Invoice Report DistributionQ4 2023 Medicare Coverage Gap Discount Program Invoices and Reports DistributionQ3 2023 Medicare Coverage Gap Discount Program Invoice & Reports DistributionReminder! The Q3 2023 Medicare Part D CGDP invoice payments are due Saturday, December 9, 2023Email Spoofing AlertPrepare CGDP Information for Q2 2024 Invoice Report DistributionCoverage Gap Discount Program (CGDP) Dispute Upload Feature UpdateQ2 2024 Medicare Coverage Gap Discount Program Invoices and Reports DistributionPrepare CGDP Information for Q1 2024 Invoice Report DistributionReminder! The Q1 2024 Medicare Part D CGDP invoice payments are due Saturday, June 8, 2024Reminder! The Q4 2023 Medicare Part D CGDP invoice payments are due Sunday, March 10, 2024.Q1 2024 Medicare Coverage Gap Discount Program Invoices and Reports DistributionHPMS Memo - Release of Manufacturer Discount Program (MDP) Quarterly Invoice File Layouts and 2025 Updates to Coverage Gap Discount Program (CGDP) Quarterly Invoice and Dispute File LayoutsReminder! The Q2 2024 Medicare Part D CGDP invoice payments are due Wednesday, October 9, 2024.

Last Updated: 06/21/2019