More Americans are choosing to work well past 65—and that decision can impact when and how they enroll in Medicare. If you or your spouse are still working and covered by an employer-sponsored health plan, you may be able to delay Medicare without facing penalties. However, it’s important to understand the rules and steps involved to ensure a smooth transition when you’re ready.
Here’s what to know and how to plan ahead.
1. Make Sure Your Current Coverage Qualifies
Not all employer health plans meet the requirements to delay Medicare penalty-free. Your health insurance must:
Be tied to active employment (not COBRA or retiree coverage).
Be through an employer with 20 or more employees.
Include creditable prescription drug coverage (meaning it’s at least as good as Medicare’s standard coverage).
If your plan meets these requirements, you can stay on it until you retire or lose that coverage.
2. Before You Turn 65: Check In with Your Employer
About 3–6 months before your 65th birthday, talk to your employer’s benefits administrator. Let them know you plan to stay on your company’s coverage and confirm:
It qualifies as group health plan coverage under Medicare.
It will continue to cover you fully without requiring Medicare enrollment.
The prescription drug portion is “creditable” for Medicare purposes.
If your plan doesn’t meet these standards, you’ll need to enroll in Medicare during your Initial Enrollment Period (IEP) to avoid penalties or gaps in coverage.
3. When You Turn 65: Decide Whether to Enroll in Part A
Even if you plan to keep your employer coverage, you may want to sign up for Medicare Part A (hospital insurance).
If you’ve worked and paid Medicare taxes for at least 40 quarters (about 10 years), Part A is typically premium-free and can serve as secondary coverage for hospital-related costs.
However, if you contribute to a Health Savings Account (HSA), you may need to delay Part A. Once you enroll, you can no longer contribute to your HSA and should stop contributions at least six months before applying for Medicare to avoid tax penalties.
4. Keep Documentation of “Creditable Coverage”
Each year, your insurance provider should send you a notice confirming that your plan’s prescription drug coverage is creditable under Medicare.
Keep these letters in a safe place—you’ll need them later when you sign up for Medicare Part D (prescription coverage) to avoid late penalties.
5. About One Month Before Your Employer Coverage Ends
When you’re ready to transition to Medicare:
Apply for Medicare Part B (medical coverage) at least one month before your employer coverage ends.
If you haven’t enrolled in Part A yet, you’ll apply for both Parts A and B now.
Ask your employer to complete Form CMS-L564, verifying your prior coverage.
This ensures you don’t experience a gap in insurance or face late-enrollment penalties.
6. Explore Additional Coverage Options
Once your Medicare enrollment is complete, you can add supplemental coverage based on your needs and budget.
Options include:
Medicare Advantage (Part C) plans – All-in-one plans offered by private insurers that include hospital, medical, and often prescription coverage.
Medigap (Medicare Supplement) plans – Help cover out-of-pocket costs that Original Medicare doesn’t.
Medicare Part D – Standalone prescription drug coverage.
7. Get Guidance Before You Make the Switch
Navigating the Medicare process can feel overwhelming, especially while still working. At Flagship Financial Advisors, our goal is to help you make informed decisions that align with your overall financial strategy—before, during, and after retirement.
Whether you’re comparing options, preparing forms, or planning the timing of your transition, our advisors can help ensure you take the right steps for your situation.
Ready to Review Your Medicare Timing?
Let’s talk about how your employer benefits and retirement strategy work together.
Schedule a consultation today to gain clarity and confidence in your next step.