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Medicare and Employment: How to Navigate Coverage When You are Still Working

8 min readApril 8, 2026
David Haass

Written By

David Haass

CTO & Co-Founder

Ashlee Zareczny

Reviewed By

Ashlee Zareczny
Medicare and Employment: How to Navigate Coverage When You are Still Working

Enrollment Options While Still Working

Turning 65 while employed does not prevent you from enrolling in Medicare. You have the right to enroll at 65 regardless of employment status. However, decisions about when to enroll depend on your employer plan details. If your employer has 20 or more employees, you may have more flexibility in timing your Medicare enrollment without penalties.

Key Takeaways

  • You can enroll in Medicare at 65 even while working, but understand how employer coverage affects your benefits
  • Delayed enrollment penalties may apply if you do not sign up when first eligible while still employed
  • Coordinate your employer health plan with Medicare to avoid coverage gaps and unnecessary duplicate premiums
  • Working past 65 does not delay Medicare eligibility, but it may impact your Social Security benefit calculations

Coordinating Employer Coverage with Medicare

Understanding how your employer plan works with Medicare is crucial. Medicare becomes the primary payer once you are enrolled, while your employer plan becomes secondary. This coordination of benefits prevents duplicate coverage and ensures proper claim processing. Always inform your employer about your Medicare enrollment to avoid billing confusion.

Coverage ScenarioPrimary PayerSecondary Payer
Employer has 20+ employeesEmployer planMedicare
Employer has fewer than 20MedicareEmployer plan
Retired from employerMedicareRetiree plan if available

Understanding Penalties and Special Exceptions

If you work for an employer with 20 or more employees and decline Medicare Part B, you can enroll later without penalty using the Special Enrollment Period. However, if your employer has fewer than 20 employees, delaying enrollment may result in a 10 percent premium penalty for each year you delayed Part B.

2026 Medicare Costs to Budget

Part B premium is 202.90 dollars per month, Part A deductible is 1,736 dollars, and Part B deductible is 283 dollars. These costs may vary based on your income level and enrollment choices.

Tax Implications of Working and Medicare

Your wages from continued employment may affect Medicare premiums through the Income-Related Monthly Adjustment Amount assessment. Higher earners pay more for Part B and Part D coverage. Additionally, up to 85 percent of your Social Security benefits may be taxable if combined income exceeds certain thresholds while working.

Delaying Social Security While Working

You can delay Social Security benefits past 65 to receive higher monthly payments, and working does not prevent this strategy. However, if you claim before full retirement age while earning over 23,400 dollars annually, one dollar is withheld for every two dollars earned above that amount. Coordinating Medicare and Social Security decisions with your employment status maximizes your retirement benefits.

Frequently Asked Questions

Can I Enroll in Medicare at 65 if I Am Still Working Full-time?
Yes, you can enroll in Medicare at 65 regardless of employment status. However, depending on your employer plan size, you may want to coordinate enrollment timing. If your employer has 20 or more employees, you may have flexibility in when you enroll without facing penalties.
Will My Employer Health Insurance End When I Turn 65?
Not automatically. Your employer coverage typically continues unless you choose to end it. You will coordinate Medicare with your employer plan, with one becoming primary and the other secondary depending on your employer size. Inform your HR department about your Medicare enrollment to manage coordination properly.
What Happens if I do not Enroll in Medicare When I Turn 65 While Still Working?
If your employer has 20 or more employees, you can delay enrollment without penalty. If your employer has fewer than 20 employees, you may face a 10 percent permanent premium penalty for each year you delay Part B enrollment beyond your initial eligibility.
Does Working after 65 Affect My Social Security Benefits?
Working after 65 does not reduce your Social Security if you have reached your full retirement age. If you claim before full retirement age while earning over 23,400 dollars, benefits are reduced by one dollar for every two dollars earned above that threshold.

Have Medicare questions?

Our licensed Medicare agents are available to help you find the right coverage.

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