MAPRx 2026 Open Enrollment Guide

The Annual Open Enrollment for Medicare prescription drug coverage (Part D) is October 15, 2025 – December 7, 2025 for coverage beginning January 1, 2026. Certain people with Medicare can also change plans at other times. Every year plans make changes to benefits and costs. With these different changes, your current plan may or may not be the best plan for you in 2026.

This guide can help find answers to some important questions that can help you during the Annual Open Enrollment.