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    TPA Operations will be closed Friday, July 3rd in observance of the Independence Holiday. We will resume our regular business hours on Monday, July 6th.

    1. Topics
    2. ListServ Announcements
    3. Part D Sponsor ListServs
    ListServ Announcements~Part D Sponsor ListServs
    • ListServ Announcements
    • Drug Manufacturer ListServs
    • Part D Sponsor ListServs

    Part D Sponsor ListServs


    The Part D Sponsor ListServs 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 Part D Sponsor ListServs.



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    Part D Sponsor 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 Q1 2019 invoice payments are due by Saturday, June 8, 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 ReportsQuarter 2 2020 Medicare CGDP Invoices and Reports are available!Medicare Part D CGDP - Updated Payment Information for High Dollar Invoice Line Items 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.Q1 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 DistributionUpcoming system security enhancements to the Coverage Gap Discount Program (CGDP) PortalTime to prepare for Q1 2018 Medicare Coverage Gap Discount Program (CGDP) invoicing period.Quarter 1 2018 Medicare Coverage Gap Discount Program Invoices and ReportsThe Medicare Part D Coverage Gap Discount Program Q1 2018 invoice payments are due by Friday, June 8, 2018.Preparing for the Q4 2017 Medicare Coverage Gap Discount Program (CGDP) invoicing periodPreparing for the Q2 2018 Medicare Coverage Gap Discount Program (CGDP) invoicing periodQuarter 2 2018 Medicare Coverage Gap Discount Program Invoices and ReportsThe Medicare Part D Coverage Gap Discount Program Q2 2018 invoice payments are due by Tuesday, October 9, 2018.Preparing for the Q3 2018 Medicare Coverage Gap Discount Program (CGDP) invoicing periodQuarter 3 2018 Medicare Coverage Gap Discount Program Invoices and ReportsReminder! The Medicare Part D Coverage Gap Discount Program Q3 2018 invoice payments are due by December 9, 2018Important message regarding the New HPMS User ID RequestQuarter 4 2017 Medicare Coverage Gap Discount Program Invoices and ReportsNew 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 DistributionQ2 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.It's Time to Prepare. The Q3 2024 Medicare Coverage Gap Discount Program (CGDP) invoicing period is approaching.Q3 2024 Medicare Coverage Gap Discount Program (CGDP) Invoices and Reports DistributionNew Third Party Administrator Website and Portal coming soon!
    Last Updated: 06/21/2019

    Contact Third Party Administrator

    Call: 1-877-534-2772, Option 1

    Fax: 1-803-763-2010

    Email CGDP Third Party Administrator


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