Medicare open enrollment period arrives with rising costs, new rules for 2026

Older Americans enrolling or reenrolling in Medicare this fall will face an evolving landscape shaped by rising health care costs, fewer plan options, and new federal rules set to take effect in 2026.

Open enrollment runs from Oct. 15 to Dec. 7, when more than 67 million Americans with Medicare will decide whether to stay with their current coverage or make a change. During this period, beneficiaries can move between traditional Medicare and Medicare Advantage or adjust prescription drug and supplemental coverage.

Fewer standalone drug plans, higher costs

One of the biggest changes facing consumers this year is in the market for standalone Part D prescription drug plans, which are used by millions who enroll in traditional Medicare. These drug plans are optional and are offered through