Working Past 65
Working Past 65? Medicare Timing Matters.
If you are turning 65 or already over 65 and still working, you may not need to enroll in every part of Medicare right away. But the rules can be confusing, and the wrong timing can lead to penalties, coverage gaps, HSA tax issues, or problems when employer coverage ends.
Working Past 65 Medicare Checklist
- Confirm whether your employer coverage is active employee coverage
- Find out whether your employer has 20 or more employees
- Decide whether to enroll in Part A, Part B, or delay
- Review any HSA contribution concerns before enrolling
- Understand what happens when you retire or lose employer coverage
- Prepare for the Part B Special Enrollment Period if needed
Why Medicare Is Different When You Work Past 65
Medicare decisions are not always automatic when you keep working after age 65. Some people should enroll in Medicare right away, while others may be able to delay Part B because they have qualifying employer group health coverage. The right answer depends on your employer coverage, company size, HSA status, spouse coverage, and retirement timeline.
Employer Size Matters
If your employer has 20 or more employees, you may be able to delay Medicare Part B while covered by active employer group health insurance.
Small Employer Rules Can Be Different
If your employer has fewer than 20 employees, Medicare may become primary at 65, which can make enrolling in Medicare more urgent.
HSA Contributions Require Planning
If you are contributing to a Health Savings Account, enrolling in Medicare can affect your ability to keep contributing. Timing is especially important.
The Big Question: Should You Enroll in Medicare at 65 or Delay?
If you are still working and covered by an employer group health plan, you may be able to delay Medicare Part B without a penalty. But this is not true for every type of coverage. COBRA, retiree coverage, Marketplace coverage, and small employer coverage may not protect you the same way active large-employer coverage does.
Before you decide to delay Medicare, it is important to confirm whether your current coverage allows you to delay safely.
Helpful reading:
Medicare and Working Past 65,
What to Know About Medicare if You Work Past Age 65,
and
Medicare and Employer Insurance.
Common Medicare Scenarios for People Working Past 65
These are some of the most common situations we help people review when they are still working at or after age 65.
You Work for a Large Employer
If your employer has 20 or more employees and you have active group health coverage, you may be able to delay Part B until you retire or lose that coverage.
You Work for a Small Employer
If your employer has fewer than 20 employees, Medicare may become your primary insurance at 65. In that case, delaying Medicare may create claim or coverage problems.
You Are Covered Through a Spouse
If your spouse is actively working and you are covered by their employer group plan, you may be able to delay Part B. The employer size and coverage type still matter.
You Have COBRA
COBRA is not the same as active employer coverage. COBRA may not allow you to delay Medicare safely, especially when it comes to Part B timing.
You Have Retiree Coverage
Retiree coverage is different from active employer coverage. Many retiree plans expect Medicare to become primary once you are eligible.
You Contribute to an HSA
If you are contributing to an HSA, Medicare enrollment can affect your eligibility to keep contributing. Retroactive Part A can make this even more complicated.
Part A, Part B, and HSA Timing
Many people assume they should automatically enroll in Medicare Part A at 65 because it may be premium-free. But if you are still working and contributing to an HSA, enrolling in Medicare can affect your ability to continue making contributions.
Medicare Part A
Part A is hospital insurance. Many people qualify for premium-free Part A, but enrolling can affect HSA contribution eligibility.
Medicare Part B
Part B is medical insurance. Whether you should take Part B at 65 depends heavily on your current employer coverage.
HSA Planning
If you are still contributing to a Health Savings Account, review Medicare timing before enrolling in Medicare or starting Social Security.
What Happens When You Retire or Lose Employer Coverage?
If you delayed Medicare Part B because you had active employer group health coverage, you may be able to use a Special Enrollment Period to enroll in Part B after that coverage ends. This is where timing and documentation matter.
You may need forms such as CMS-40B and CMS-L564 to show that you had employer group coverage and are applying for Medicare Part B after employer coverage.
What Plan Medicare Helps You Review
We help you understand how Medicare fits into your current work, employer coverage, retirement plans, and future healthcare needs.
Helpful Articles for People Working Past 65
These Plan Medicare resources can help you better understand Medicare timing, employer coverage, Part B enrollment, HSA concerns, and common mistakes to avoid.
Medicare and Working Past 65
Learn the key Medicare decisions that come up when you keep working after age 65.
What to Know About Medicare if You Work Past Age 65
A helpful overview of the options available if you are not retiring right when you turn 65.
Applying for Medicare Part B After Employer Coverage
A step-by-step guide for people enrolling in Part B after leaving active employer coverage.
CMS-L564 and CMS-40B Forms
Understand the Medicare forms often needed when applying for Part B after employer coverage.
Why Retroactive Part A Matters for HSAs
If you are over 65 and contributing to an HSA, this is one of the most important timing issues to understand.
Medicare and Employer Insurance
Learn how Medicare can coordinate with employer insurance and what to consider before making a decision.
Part B Late Enrollment Penalties
Understand how Part B penalties can happen and why proper timing matters.
When Does Medicare Coverage Start?
Review how Medicare effective dates work and why enrollment timing is important.
Help with Medicare Enrollment
Learn how Plan Medicare helps clients understand enrollment steps and compare coverage options.
Frequently Asked Questions About Working Past 65 and Medicare
Do I have to enroll in Medicare if I am still working at 65?
Not always. If you or your spouse are still actively working and you have qualifying employer group health coverage, you may be able to delay certain parts of Medicare. The rules depend on the employer size, type of coverage, and whether the coverage is based on current employment.
Can I delay Medicare Part B if I work past 65?
You may be able to delay Part B if you have active employer group coverage through your own job or your spouse’s job. However, you should confirm that your coverage qualifies before delaying because not all coverage protects you from penalties.
Does employer size matter for Medicare?
Yes. Employer size is one of the most important factors. If the employer has 20 or more employees, the employer plan may remain primary. If the employer has fewer than 20 employees, Medicare may become primary at age 65.
What happens if my employer has fewer than 20 employees?
If your employer has fewer than 20 employees, Medicare may become your primary insurance when you turn 65. If you do not enroll in Medicare when it becomes primary, your employer plan may not pay claims the way you expect.
What happens if my employer has 20 or more employees?
If your employer has 20 or more employees and you have active employer group health coverage, you may be able to delay Medicare Part B without penalty. You should still review your costs and coverage before deciding.
Should I enroll in Medicare Part A if I am still working?
Many people enroll in premium-free Part A at 65, but this is not always the right move if you are contributing to an HSA. Once you are enrolled in Medicare, you generally cannot continue contributing to an HSA.
Should I enroll in Medicare Part B if I am still working?
If Medicare will be primary, you usually need Part B. If you have qualifying active employer group coverage, you may be able to delay Part B. The best answer depends on your employer coverage and whether Medicare would be primary or secondary.
Can I have Medicare and employer insurance at the same time?
Yes. Some people have both Medicare and employer coverage. Whether that makes sense depends on premiums, deductibles, employer size, drug coverage, HSA status, and whether Medicare is primary or secondary.
If I have employer coverage, is Medicare primary or secondary?
It depends on the size of the employer and the type of coverage. In many large employer situations, employer coverage remains primary. In many small employer situations, Medicare may become primary at 65.
Can I delay Medicare if I am covered through my spouse’s employer?
Possibly. If your spouse is actively working and you are covered under their employer group health plan, you may be able to delay Part B. The employer size and coverage type still matter.
Does COBRA count as active employer coverage for Medicare?
No. COBRA is not the same as active employer coverage. If you are Medicare eligible and relying on COBRA, you should review your Medicare enrollment timing carefully to avoid penalties or coverage problems.
Can I delay Medicare if I have COBRA?
In many cases, COBRA does not allow you to delay Medicare Part B without risk. If you are 65 or older and leaving employer coverage, you should not assume COBRA protects you from Medicare penalties.
Does retiree coverage allow me to delay Medicare?
Retiree coverage is different from active employer coverage. Many retiree plans expect Medicare to become primary once you are eligible, so you should confirm the plan rules before delaying Medicare.
Can I keep contributing to my HSA after enrolling in Medicare?
No. Once you are enrolled in Medicare, you generally cannot continue contributing to a Health Savings Account. This matters for people who work past 65 and remain enrolled in a high-deductible health plan.
Why does retroactive Medicare Part A matter for HSAs?
Premium-free Part A can sometimes be retroactive when you enroll after 65. If you were contributing to an HSA during months when Medicare Part A is later made retroactive, it can create tax issues.
Should I stop HSA contributions before enrolling in Medicare?
Many people need to stop HSA contributions before Medicare begins. The timing can depend on when Medicare Part A becomes effective, whether Part A is retroactive, and when you stop working or apply for Medicare.
Can I delay Medicare and keep my high-deductible health plan?
You may be able to delay Medicare if you have qualifying employer coverage, but you should be especially careful if you are also contributing to an HSA. Medicare enrollment and HSA contributions do not mix.
Do I need Medicare if I have Marketplace coverage after 65?
Marketplace coverage is usually not the right substitute for Medicare once you are eligible. You may lose premium tax credits and could face penalties or coverage gaps if you delay Medicare incorrectly.
What happens when I retire after delaying Medicare?
If you delayed Medicare because of active employer group coverage, you may be able to use a Special Enrollment Period to enroll in Part B after you retire or lose that coverage.
What is the Part B Special Enrollment Period?
The Part B Special Enrollment Period is a window that may allow you to enroll in Medicare Part B after active employer group coverage ends. It is commonly used by people who worked past 65 and delayed Part B.
What forms do I need to enroll in Part B after employer coverage?
Many people use CMS-40B to apply for Part B and CMS-L564 to document employer group health coverage. These forms help show that you had qualifying coverage after age 65.
What is CMS-40B?
CMS-40B is the application for enrollment in Medicare Part B. It is commonly used when someone is signing up for Part B after delaying because of employer group coverage.
What is CMS-L564?
CMS-L564 is a form used to request employment information from an employer. It helps document that you had employer group health coverage while delaying Part B.
Can I be penalized for delaying Medicare Part B?
Yes, if you delay Part B without qualifying coverage, you may face a late enrollment penalty. The penalty can last as long as you have Part B, so timing matters.
How is the Part B late enrollment penalty calculated?
The Part B late enrollment penalty is generally based on how long you went without Part B after you were eligible and did not have qualifying coverage. It can increase your monthly Part B premium.
Can I delay Medicare Part D if I have employer drug coverage?
You may be able to delay Part D if your employer prescription drug coverage is considered creditable. You should confirm this with your employer or benefits administrator.
What is creditable prescription drug coverage?
Creditable prescription drug coverage means your drug coverage is expected to pay, on average, at least as much as standard Medicare Part D coverage. If you do not have creditable coverage, delaying Part D can lead to a penalty.
Can I enroll in Medicare Supplement after working past 65?
Often, yes. If you delay Part B because of employer coverage, your Medicare Supplement open enrollment window generally begins when your Part B coverage starts. This can be an important planning opportunity.
Can I enroll in Medicare Advantage after retiring?
Yes, you may be able to enroll in a Medicare Advantage plan when you transition from employer coverage to Medicare, depending on your enrollment period and eligibility.
What should I do before retiring if I am over 65?
Before retiring, confirm when your employer coverage ends, whether you need to apply for Part B, whether your prescription coverage is changing, and which Medicare plan options are available in your area.
How early should I review Medicare before retirement?
It is a good idea to start reviewing Medicare several months before your employer coverage ends. This gives you time to gather forms, compare options, and avoid a gap between employer coverage and Medicare.
What if my spouse is on my employer plan and I retire?
If your spouse is covered under your employer plan, you should review what happens to their coverage when you retire. If they are not Medicare eligible yet, they may need another coverage option.
Do high-income earners pay more for Medicare?
Some higher-income Medicare beneficiaries pay an additional amount for Part B and Part D called IRMAA. If your income changed because you retired, sold a business, or had a major life event, it may be worth reviewing your options.
Can I enroll in Medicare without taking Social Security?
Yes. You can enroll in Medicare without starting Social Security retirement benefits. This is common for people who continue working past 65 and delay Social Security.
What information should I have ready before speaking with a Medicare advisor?
It is helpful to have your employer coverage details, employer size, retirement date, HSA status, doctors, prescriptions, preferred pharmacies, and current insurance information available.
Can Plan Medicare help me decide whether to enroll or delay?
Yes. Plan Medicare can help you understand your Medicare timeline, review your employer coverage situation, and compare your Medicare options when you are ready to transition.
Does it cost anything to work with Plan Medicare?
No. Plan Medicare provides Medicare guidance at no cost to clients. If you enroll through our agency, we may be compensated by the insurance carrier.
Is Plan Medicare part of Medicare or the government?
No. Plan Medicare is an independent Medicare advisory firm. We are not affiliated with or endorsed by the U.S. government or the federal Medicare program.
Working Past 65? Review Your Medicare Timing Before You Make a Move.
Medicare decisions can affect your coverage, your costs, your HSA eligibility, and your future enrollment options. Before you enroll, delay, retire, or move off employer coverage, speak with a licensed Plan Medicare advisor.
Plan Medicare is an independent Medicare advisory firm. We do not offer every plan available in your area. Currently, we represent a limited number of organizations that offer Medicare products. Please contact Medicare.gov, 1-800-MEDICARE, or your State Health Insurance Program to get information on all of your options. Plan Medicare is not affiliated with or endorsed by the U.S. government or the federal Medicare program.