Medicare and Working Past 65: Do You Have to Enroll?

Not always. If you have qualifying coverage through a current employer (yours or a spouse's), you may be able to delay parts of Medicare without facing a late-enrollment penalty.

Whether you should delay depends on the size of the employer and how good the coverage is compared with Medicare. It's a decision worth reviewing carefully.

Because Part A is premium-free for most people, many choose to enroll in it at 65 even while working, since it can work alongside employer coverage.

One exception: if you contribute to a Health Savings Account (HSA), enrolling in any part of Medicare stops new HSA contributions. We help you weigh that trade-off.

If your employer coverage qualifies, delaying Part B can let you avoid paying its premium until you actually need it — then enroll when you retire or lose that coverage.

The key is confirming your coverage counts as qualifying, because guessing wrong can lead to a gap or a penalty.

If you delayed Part B because of qualifying employer coverage, you generally get a Special Enrollment Period to sign up when that coverage ends — without a late penalty.

These timelines are specific, so it's important to act within the window once your employer coverage stops.

The Part B late-enrollment penalty can raise your premium for as long as you have Medicare, and a similar penalty exists for Part D.

Avoiding it comes down to either enrolling when you're first eligible or making sure you have qualifying coverage and use your Special Enrollment Period correctly. We help you confirm your timing so you don't pay an avoidable penalty.