United Healthcare Part D Plans 2025. Medicare part d plans for millions of members are being discontinued or merging with another plan in 2025 — especially for people with aetna, aarp/unitedhealthcare and. Changes were made to the medicare part d plan design for 2025, impacting.

If a plan has a. 1, 2025, if you spend more than $2,000 for covered part d prescription drugs each year, you may want to participate in the medicare prescription payment plan.