Working at 65
Still working at 65? Here's how Medicare fits in.
Turning 65 doesn't always mean you need to enroll in Medicare right away — but the right choice depends on your employer coverage.
Quick Answer
If you or your spouse has employer coverage from a company with 20 or more employees, you can delay Medicare without penalty. You have a Special Enrollment Period of 8 months after that coverage ends to enroll in Medicare Part B without a late penalty.
Employer size matters
A common rule of thumb: if your employer has 20 or more employees and you have group health coverage through that employer (or a spouse's employer), you generally have the option to delay Medicare Part B without a late enrollment penalty, since you'd qualify for a Special Enrollment Period later.
If your employer has fewer than 20 employees, Medicare often becomes the primary payer, and delaying enrollment can leave gaps in coverage — this is a conversation worth having with your HR department and a licensed insurance agent.
What is "creditable coverage"?
Creditable coverage is health or drug coverage that Medicare considers at least as good as its own. If your employer coverage is creditable, you can generally delay Medicare enrollment without facing a late enrollment penalty when you eventually sign up.
Ask your employer's benefits administrator for a "creditable coverage" notice each year — it confirms whether your plan meets this standard for both medical (Part B) and prescription drug (Part D) purposes. If you're weighing employer coverage against Medicare options, see how Medicare Advantage compares to Medigap.
Why this matters: if your coverage isn't creditable, or you let it lapse without enrolling in Medicare, you could face the late enrollment penalties described on our Penalties page. Confirming creditable coverage status before you decide to delay is one of the most important steps in planning your Medicare timeline. For official guidance, see Medicare.govor the Social Security Administration.
Frequently Asked Questions
Can I delay Medicare if I'm still working at 65?
In many cases, yes — especially if your employer has 20 or more employees and offers group health coverage. You may be able to delay Part B without a penalty as long as that coverage is creditable.
What is "creditable coverage"?
Creditable coverage is health or drug coverage that's considered at least as good as Medicare's. Having creditable coverage can let you delay Medicare enrollment without facing a late enrollment penalty later.
Do I need to enroll in Medicare if I still have employer coverage?
Not necessarily. If your employer has 20 or more employees and your group coverage is creditable, you can often delay enrolling without penalty. If your employer has fewer than 20 employees, Medicare typically becomes primary, so enrolling on time usually matters more.
What happens when I eventually leave my job or lose employer coverage?
Losing employer group coverage generally triggers a Special Enrollment Period, giving you a window to sign up for Medicare without facing a late enrollment penalty, as long as your prior coverage was creditable.
Weighing Medicare against employer coverage? Take the Medicare Decision Style Quiz orschedule a consultation with a licensed insurance agent.
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