Q4 2025 Medicare Manufacturer Discount Program Invoices and Reports Distribution

Published 01/30/2026

The  Q4 2025 Manufacturer Discount Program (MDP) quarterly invoices and reports have been distributed to Pharmaceutical Manufacturers and Part D Sponsors on the Third Party Administrators (TPA) Manufacturer Payment Portal (MPP). 

 

The distribution process was completed on Friday, 01/30/2026 due to the scheduled quarterly invoice distribution date of Saturday, 01/31/2026, occurring on a weekend. Please check the TPA MPP Portal-MDP Module to confirm receipt. 

 

As stated in the Manufacturer Agreement, manufacturers have 38 calendar days from date of report receipt to make a payment. 

 

The Q4 2025 deadline for invoice payment initiation is Wednesday, 03/11/2026. 

 

Reminder:  Payments may only be made via the TPA MPP Portal. 

 

If you have any questions, please contact the TPA by phone at 1-877-534-2772, option 1 or by email at tpaoperations@tpadministrator.com.