Turning 65 While Still Working? What to Know About Medicare

Turning 65 does not always mean retirement is around the corner. Many people continue working, keep employer health insurance, and wonder whether they need to enroll in Medicare right away.

The answer depends largely on Medicare while working past 65 and, more specifically, the kind of health coverage you have through work.

For some people, enrolling in Medicare at 65 makes sense. Others may be able to delay Part B without a late enrollment penalty and enroll later through a Special Enrollment Period. The rules can also be different if the coverage comes from your spouse's employer, a former employer, COBRA, or another source.

The important thing is to find out how your existing coverage works with Medicare before making a decision.

The Big Question: Do You Have Employer Group Health Coverage?

When you approach 65, the first question is not simply, “Am I still working?”

The more important question is whether you or your spouse have group health plan coverage based on current employment.

Medicare says people with qualifying employer group health coverage may be able to delay Part B and use a Special Enrollment Period later. 

That is different from having coverage through a former employer or certain other types of insurance.

Before deciding to postpone Medicare enrollment, speak with the employer's benefits administrator and confirm how the employer plan coordinates with Medicare.

Why Employer Size Can Matter

The size of the employer can affect how Medicare and job-based coverage work together.

Medicare explains that if a person is 65 or older and has employer group health coverage, the employer's size can determine whether the employer plan or Medicare generally pays first. 

This is one reason simply saying, “I have insurance through work, so I don't need Medicare,” can be risky.

Ask the benefits administrator:

• Does the company health plan require me to enroll in Medicare at 65?
• Will the employer plan remain primary?
• Do I need Part A, Part B, or both?
• What happens to my spouse's coverage if I enroll?
• Will my prescription coverage remain creditable?

Getting those answers in writing can make the next steps much clearer.

What Happens With Medicare Part A at 65?

For many people, Part A does not have a monthly premium because they have enough qualifying work history.

Medicare says that if you qualify for premium-free Part A, you can choose to enroll at 65 even if you or your spouse continue working. 

However, there is an important issue for people who contribute to a Health Savings Account (HSA).

Once you are enrolled in Medicare, you generally cannot continue making HSA contributions. Medicare also warns that Part A can have a retroactive start date in some situations, which can affect HSA contributions. 

So if you have an HSA, talk with your employer or tax professional before enrolling in Medicare.

Can You Delay Medicare Part B While Working?

This is one of the most common questions people ask when approaching 65.

Part B usually has a monthly premium, so someone with active employer coverage may want to know whether they have to start paying for Part B immediately.

If you or your spouse have group health plan coverage based on current employment, Medicare says you may be able to delay Part B and enroll during a Special Enrollment Period later without a late enrollment penalty. 

If you or your spouse have group health plan coverage based on current employment, you may be able to delay Part B and use a Special Enrollment Period later. Confirm how your employer coverage works with Medicare before delaying enrollment.

The key phrase is current employment.

Coverage that looks similar on an insurance card may not give you the same Medicare enrollment rights.

What Is the Part B Special Enrollment Period?

When your employment ends or your job-based group health coverage ends, you generally have an 8-month Special Enrollment Period to enroll in Part B if you qualify based on employer coverage. The period can also begin when the job-based coverage ends before employment ends. (Medicare.gov)

There is an important timing issue here.

If you want Medicare Part B to begin when your employer coverage ends, Medicare recommends signing up about a month before your job-based coverage ends. (Medicare.gov)

That can help reduce the chance of a gap between the two types of coverage.

Example: Retiring at 67

Imagine David turns 65 but continues working.

He keeps his employer group health insurance and confirms that his coverage allows him to delay Part B. At 67, he decides to retire.

Instead of waiting until the end of his employer coverage and then trying to figure everything out, David starts preparing for Medicare Part B before retirement.

His next steps may include confirming:

1. When his employer coverage ends
2. When he should submit his Part B enrollment
3. What documentation is needed to show he had employer coverage
4. Whether he needs prescription drug coverage
5. What additional Medicare coverage he wants after retirement

The actual timeline depends on his circumstances, but planning before retirement gives him more room to handle the paperwork.

What About COBRA?

COBRA can create confusion because it may feel like a continuation of employer insurance.

For Medicare enrollment purposes, however, COBRA is different from active employer group health coverage.

Medicare states that COBRA does not extend the limited time you have to enroll in Medicare Part B. If you are eligible for Medicare and have not enrolled in Part B, you should not assume that COBRA gives you the same protection as coverage based on current employment. (Medicare.gov)

This matters particularly when someone retires at 65 and chooses COBRA instead of enrolling in Medicare.

Before taking that route, verify how Medicare enrollment works with your specific situation.

What If Your Insurance Comes From a Former Employer?

Retiree coverage is another area where assumptions can cause problems.

Insurance from a former employer is not the same as active employer coverage based on current employment.

Medicare advises people with retiree coverage to check with their benefits administrator because the retiree plan may have different rules once they become eligible for Medicare. (Medicare.gov)

In some cases, retiree coverage may expect you to enroll in Part A and Part B before it pays its share of certain expenses.

Before turning down Medicare because you have retiree coverage, check the plan documents and ask the benefits administrator how the two types of coverage work together.

What About Prescription Drug Coverage?

Part D deserves attention too.

If you have prescription drug coverage through your employer, find out whether the coverage is considered creditable prescription drug coverage for Medicare purposes.

People who go without Part D or other creditable prescription drug coverage for 63 days or more after their Initial Enrollment Period can potentially face a Part D late enrollment penalty when they enroll later. (Medicare.gov)

Your employer or benefits administrator should be able to tell you whether your prescription coverage is creditable.

Keep the notices you receive about that coverage. They may be useful later if you need to show that you had creditable prescription drug coverage.

Working Past 65: Questions to Ask Before Delaying Medicare

A short conversation with your benefits administrator can answer many of the questions that are difficult to resolve through assumptions.

Do not make the decision based only on what a coworker did. Two people who are both 65 and working can have very different Medicare situations.

What Happens When You Finally Retire?

Retirement is often the point when Medicare becomes much more important.

Once your active employer health coverage ends, you may need to move from employer coverage to Medicare and any additional coverage you choose.

Before your final day of work, confirm the exact date your employer insurance ends.

Then review your Medicare enrollment options and decide how you want to receive your Medicare benefits.

Medicare Advantage is another way to receive Medicare Part A and Part B benefits through a Medicare-approved private plan.

Those considering Original Medicare may also look at Medicare Supplement Insurance and prescription drug coverage.

Learn more about the differences in Medicare coverage options.

What If You Are Already 65 and Didn't Enroll?

Someone who continues working past 65 may reach a point where their employment or health coverage changes.

If you had qualifying employer coverage based on current employment, you may have an applicable Special Enrollment Period after that coverage ends. Medicare generally allows an eight-month Part B enrollment window in this situation. (Medicare.gov)

But not every person who is still working qualifies for the same rules.

If you did not have qualifying employer coverage and did not enroll when first eligible, you may need to use a different enrollment period and could face a late enrollment penalty. (Medicare.gov)

That is why determining what type of coverage you actually have should come before deciding when to enroll.

A Simple Medicare Checklist for Workers Turning 65

Your Medicare checklist does not need to be complicated.

3 to 6 months before 65:
Talk with your employer's benefits administrator.

Before your 65th birthday:
Confirm whether you need to enroll in Part A, Part B, or both.

If you have an HSA:
Check how Medicare enrollment could affect your HSA contributions.

If you have employer drug coverage:
Ask whether the coverage is creditable and keep the documentation.

If you plan to retire:
Know the exact date your employer coverage ends and start planning your Medicare enrollment before that date.

After retirement:
Review your Medicare coverage options and make sure your coverage does not have an unintended gap.

Medicare While Working Past 65: What Should You Remember?

The biggest takeaway is simple: continuing to work at 65 does not automatically mean you should enroll in every part of Medicare immediately, and it does not automatically mean you should delay everything either.

Your employer's health plan, employer size, prescription coverage, HSA status, and retirement date can all affect the decision.

The safest starting point is to ask how your specific employer coverage coordinates with Medicare.

From there, you can determine whether you need to enroll at 65, whether you may be able to delay Part B, and what enrollment window applies when your employment or coverage eventually ends.

Where to Learn More About Medicare at 65

Turning 65 while still working can leave you with plenty of questions, especially when your employer insurance has been covering your healthcare for years.

Clarity65 provides educational resources for people approaching Medicare and works with independent licensed agents who can explain available Medicare coverage options. Its New to Medicare guide covers the basics for people preparing for Medicare at 65.

When reviewing coverage, focus on your actual situation rather than following a one-size-fits-all rule.

Medicare decisions are personal, and the rules that apply to an employee with active employer coverage may not apply to someone with retiree insurance, COBRA, or individual coverage.

Final Thoughts

Understanding Medicare while working past 65 starts with one important question: what kind of health coverage do you have through work?

If you or your spouse have group health plan coverage based on current employment, you may be able to delay Part B and use a Special Enrollment Period later. But employer size, prescription coverage, HSA contributions, and the date your employment ends can all matter. (Medicare.gov)

Before turning 65, talk with your benefits administrator and learn how your plan works with Medicare. If you plan to retire later, start reviewing your Medicare enrollment steps before your employer coverage ends.

A little preparation can make the move from workplace coverage to Medicare much easier to manage.

Frequently Asked Questions

Do I have to enroll in Medicare when I turn 65 if I am still working?

Not always. If you or your spouse have group health plan coverage based on current employment, you may be able to delay Part B and enroll later through a Special Enrollment Period. (Medicare.gov)

Can I keep my employer insurance after turning 65?

In many situations, yes. However, how employer insurance works with Medicare can depend on factors such as the size of the employer and the type of coverage. Check with your benefits administrator before deciding what to do. (Medicare.gov)

What happens to Part B when I retire after 65?

If you had qualifying employer group health coverage based on current employment, you may be able to enroll in Part B through a Special Enrollment Period after employment or coverage ends. The applicable enrollment window is generally eight months. (Medicare.gov)

Does COBRA count as active employer coverage for Medicare?

No. COBRA is not the same as group health plan coverage based on current employment for the Part B Special Enrollment Period. It does not extend the time you have to enroll in Part B. (Medicare.gov)

Can Medicare affect my Health Savings Account?

Yes. Once you are enrolled in Medicare, you generally cannot continue making HSA contributions. If you have an HSA, check the timing of Medicare enrollment and HSA contributions before making a change.