Big changes came to Medicare prescription drug coverage in 2025—and 2026 brings more changes. If you're enrolled in a Medicare Part D drug plan or a Medicare Advantage plan with drug coverage, this is the year to pay attention.

Here’s what’s changing in 2026, and how these updates may affect your health care budget and peace of mind.

1. Out-of-Pocket Cap Increases to $2,100

In 2025, Medicare introduced a historic new feature: a $2,000 out-of-pocket cap on Part D prescription drug costs. That cap helped limit how much you would pay for covered medications each year.

In 2026, the cap increases slightly to $2,100 due to inflation adjustments.

What this means for you:

  • Once you spend $2,100 on deductibles, copays, and coinsurance for your drugs in 2026, you’ll pay $0 for covered prescriptions for the rest of the year.
  • This applies whether you’re in a standalone Part D plan or a Medicare Advantage plan that includes drug coverage.

Before 2025, there was no hard cap on drug spending. Now, you can plan your budget with more certainty.

2. $615 Standard Deductible for 2026

Before your drug plan begins sharing the cost of your medications, you’ll pay a deductible—the amount you owe first.

In 2026, the standard Part D deductible is $615, up from $590 in 2025. Some plans may offer lower deductibles, so it's worth comparing during Medicare's Annual Enrollment Period.

3. No More “Donut Hole” Coverage Gap

For years, people worried about falling into the “donut hole”—a coverage gap where drug costs temporarily jumped.

Good news: That gap is gone.

Starting in 2025 and continuing into 2026, the coverage gap has been fully eliminated. Now your costs follow a simpler path:

  • Pay your deductible (up to $615 in 2026)
  • Share costs with your plan until you hit the $2,100 cap
  • Then pay nothing for covered drugs for the rest of the year

No more confusion about when you're in the gap—or how to get out of it.

4. Medicare Prescription Payment Plan Continues

If you have high drug costs at the beginning of the year, you don’t have to pay it all at once.

Medicare now offers a Prescription Payment Plan that lets you spread your drug costs over 12 months. This began in 2025 and continues in 2026.

Here's how it works:

  • Instead of paying large out-of-pocket costs early in the year (like in January or February), you break it into monthly payments
  • This helps you budget better and avoid skipping medications due to cost

Important: You must opt in to this program. It’s not automatic.

To enroll, you can:

This is especially helpful if you're on expensive medications or live on a fixed income.

5. Insulin Costs and Vaccines Still Covered

These 2025 benefits continue in 2026:

  • Insulin costs no more than $35/month for each covered insulin product
  • Recommended vaccines (like shingles and Tdap) are free through your Part D plan

You don’t need to do anything extra to get these benefits—they’re included in every plan.

What You Should Do Next

These changes offer more predictability and protection—but only if you’re in a plan that meets your needs.

During Annual Enrollment (Oct 15 – Dec 7):

  • Review your current drug plan
  • Check if your medications are still covered
  • See how close you are to the $2,100 cap
  • Ask your plan about the Prescription Payment Plan

Need help? Join a Medicare class on GetSetUp where guides walk you through the changes step by step.