Medicare 2025 plans: 5 key changes to Part D, Medicare Advantage costs

Evan Walker
Evan Walker TheMediTary.Com |
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Big changes to Medicare plans are in store for 2025 as open enrollment is underway. Joe Raedle/Getty Images
  • Medicare is a federal health insurance program for older adults ages 65 and older.
  • Open enrollment for 2025 Medicare plans runs through December 7.
  • Some major changes in 2025 include a new $2,000 out-of-pocket max under Part D, eliminating the plan’s “donut hole” coverage gap, and fewer Medicare Advantage plans.

As of January 1st, five big changes will take effect for Medicare — a federal health insurance program for adults ages 65 and older.

Every year, senior adults have between October 15th through December 7th to enroll in Medicare or change plans.

There are four main parts to Medicare:

  • Part A helps to cover inpatient care in hospitals, skilled nursing facilities, and home health care.
  • Part B is for outpatient coverage, such as diagnosing and treating an illness at the doctor’s office, as well as preventive services, such as vaccines and wellness visits.
  • Part C—also known as the Medicare Advantage plan—is bundled coverage that includes Parts A, B, and sometimes D.
  • Part D provides coverage for prescription medications

Medical News Today spoke with three Medicare experts to learn more about the biggest changes coming in 2025 and how they may impact readers.

Starting on January 1st, a new approach to Medicare Part D will remove the infamous “donut hole” and establish a new hard limit of $2,000 per year for out-of-pocket Part D drug spending.

“The Inflation Reduction Act aims to improve Medicare benefits by reducing out-of-pocket costs for prescription drugs,” Kanwar Kelley, MD, JD, co-founder and CEO of Side Health explained to Medical News Today. “This is being done by shrinking the ‘donut hole’ for prescription drug coverage. The ‘donut hole’ refers to the gap between a plan’s initial prescription medication coverage by co-payment or coinsurance and the time when a person meets catastrophic coverage limits where Medicare resumes sharing costs.

“While inside of the ‘donut hole,’ an individual must pay for their medications entirely out of pocket. Starting in 2025, the out-of-pocket costs before reaching the catastrophic stage will be capped at $2,000. Until now the limits were set at $8,000. This will mean substantial savings for patients who depend on costly prescription medications.”

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