People enrolled in Medicare’s Prescription Payment Plan do not have to sign up again to keep it in 2027. The plan renews their participation automatically each year, unless they opt out or move to a different drug plan.

Medicare’s September 2026 fact sheet says each year the enrollee’s plan will automatically renew participation in the payment option. The program spreads drug costs into monthly bills over the calendar year, and there is no cost to take part.

How the automatic renewal works

The renewal comes from a federal rule. CMS finalized it in its April 2025 final rule for Medicare Advantage and Part D, which extends a participant’s enrollment into the next calendar year unless the enrollee opts out. The rule applies to 2026 and later years, and the program itself began in 2025.

In practice, anyone in the payment plan this year who keeps the same drug plan does not have to do anything, and the monthly billing starts again in January 2027. Anyone who is switching drug plans this fall, or who wants out of the program, has to act before the year ends.

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The payment plan does not lower what a person owes. The Medicare fact sheet says plainly that the program does not save money or lower drug costs, and only spreads the payments out. The yearly limit on covered drugs, set at $2,400 for 2027, applies to everyone with Medicare drug coverage whether or not they use the program.

Who has to act before January, and how to leave

Anyone planning to switch plans during the fall has the most to watch. Medicare’s fact sheet says that moving to a different Medicare drug plan, or to a Medicare Advantage plan with drug coverage, ends participation. The new plan has to be asked to enroll the person again.

That matters because of the calendar. Open enrollment runs from October 15 to December 7, and changes made then take effect on January 1. A person who switches drug plans in that window and does nothing else will not be in the payment plan on January 1.

So the decision comes down to one date. Someone in the program now needs to settle by December 7 whether the drug plan is staying, and if it is changing, contact the new plan about the payment plan. Someone who wants out of the program can say so at any time.

Opting out takes a call to the plan. Medicare’s fact sheet says people can contact their health or drug plan at any time to leave, and leaving does not affect drug coverage or other Medicare benefits. Anyone who needs help finding the right number can call 1-800-MEDICARE, which is 1-800-633-4227.

Leaving does not erase what is owed. The fact sheet says the remaining balance is still due, and it can be paid in full or in monthly bills. New drug costs after leaving are paid at the pharmacy.

Joining works the other way. A person can contact the plan to start at any point during the calendar year, and the plan sends a confirmation letter once it approves the request.

Who the program fits, and who it does not

The fact sheet says the payment plan is most likely to help people with high drug costs early in the year who want to spread them out. Starting before September gives more months to divide the bill. It is a poor fit for people with low or steady yearly costs, people who sign up after September, and people who prefer to pay at the pharmacy.

It is also a poor fit for anyone who gets or qualifies for Extra Help, a Medicare Savings Program or a State Pharmaceutical Assistance Program, according to the same page. In those cases, other help already lowers what is due at the counter, so the spreading adds little. A person in that group who is already enrolled can still opt out with the same call to the plan.

The monthly math moves around. In Medicare’s own example, a person with $600 in drug costs every month starting in January 2027 would be billed $200 in January, $90.91 in February and $150.91 in March. Payments change each month as new costs are added and fewer months remain.

A person who misses a payment gets a reminder first. If the bill is still unpaid by the date listed, the person is removed from the payment plan. The drug plan stays, and the balance is owed without interest or fees, but Medicare’s fact sheet says the premium should be paid first to keep coverage.

What 2027 coverage notices will show

Medicare’s fact sheet on what is new and changing in 2027 says plan details for the new year are released in the fall. Those 2027 details are the place to look for changes in a plan’s costs before deciding whether to stay with it.

CMS keeps a page for the payment plan program, last modified September 30, 2026. The most recent rule it discusses is the same 2025 final rule that created the renewal.

In the payment plan and changing drug plans for 2027?

A switch made before December 7 can quietly end the monthly billing, and the first hint may be a full pharmacy bill in January. The renewal is automatic only for people who stay with the same plan.

The Medicare Cost & Coverage Protection Kit covers the new Part D out-of-pocket cap and includes a medication and cost tracker, so the drug list and what each one costs sit on one page before the plan decision is made. It also includes 51 state Medicare cost-help packs.

Get the Part D cap guide and medication cost tracker before choosing a 2027 plan →

More Financial Reading

• 17 Medicare Money Moves Now That Part D Caps at $2,400
• 21 Ways to Stretch a $2,087 Social Security Check
• The New $6,000 Senior Deduction and 14 More Tax Moves for Retirees

This article was produced with AI assistance and edited for accuracy against the sources linked above.