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Although Americans who age into Medicare have the option to put off enrolling in Part B, individuals who do make that choice need to proceed with caution to avoid enrollment penalties that could continue indefinitely.
The Medicare Part B SEP allows you to delay taking Part B if you have coverage through your own or a spouse’s current job, and then sign up for Part B — without a late enrollment penalty — as long as you do so within eight months of the employer-sponsored coverage ending. Coverage that isn’t through a current job – such as COBRA benefits, retiree health benefits, or individual-market coverage – won’t help you qualify for this SEP. But the SEP lasts for eight months, so you may still qualify if your employment ended recently.
You qualify for the Part B SEP if:
Some people may need to use the Part B SEP if they’re still working. You’ll want to sign up for Part B if your employer has fewer than 20 employees. This is because small employer plans only pay after Medicare does (ie, they’re secondary and Medicare is primary). If you don’t enroll in Part B, your employer plan will pay less for your care – or nothing at all – when it finds out you’re Medicare-eligible. If your employer has more than 20 employees, you don’t have to take Part B as long as you’re still working, but a small number of people do enroll to lower their out-of-pocket costs. (If you have Medicare because of a disability, you’ll need to enroll in Part B if your employer has fewer than 100 employees.)
You have to take Part B once your or your spouse’s employment ends. Medicare becomes your primary insurer once you stop working, even if you’re still covered by the employer-based plan or COBRA. If you don’t enroll in Part B, your insurer will “claw back” the amount it paid for your care when it finds out. At that point, you would need to enroll in Part B, but might no longer qualify for the SEP if you delayed enrolling for more than 8 months. That would mean you’d have to wait until the Medicare General Enrollment Period (January 1 to March 31) to sign up for Part B, and you might be subject to a late enrollment penalty, depending on how long your enrollment was delayed.
(Enrolling in Medicare when you already have COBRA will cause the COBRA coverage to end. If this happens, your spouse and any dependents can continue coverage under the COBRA plan, even though you are no longer covered.)
To use this SEP you should call the Social Security Administration at 1-800-772-1213 and request two forms: the Part B enrollment request form (CMS 40B) and the request for employment information form (CMS L564). You’ll complete the Medicare enrollment application and give the request for employment information form to the employer to fill out. You want to request additional copies of form L564 from Social Security if you’ve been covered through more than one job-based plan since you qualified for Medicare.
If an employer is unable to fill out the form, Social Security may accept the following items as evidence you had job-based coverage:
You should write down what you talk about with Social Security, and keep copies of the enrollment forms you submit in case you need to follow up. If your enrollment request is denied, you’ll have the chance to appeal.
People 65 and older only qualify for this SEP if they have coverage through their own or their spouse’s job, but disabled individuals can also qualify because they’re covered by a non-spouse family member’s plan.
You can delay your Part B effective date up to three months if you enroll while you still have employer-sponsored coverage or within one month after that coverage ends. Otherwise, your Part B coverage will begin the month after you enroll.
A note about individual coverage: you’ll qualify for a SEP if you delayed Part B because you had employer-sponsored coverage through a group health plan (GHP). This is a specific type of insurance plan sponsored or run by your employer. It includes coverage your employer offers you through an insurer, and plans purchased from the Small Business Health Options Program (SHOP) marketplace.
Instead of offering GHP coverage, some employers provide you money to buy your own health insurance. They can reimburse you directly, in which case the money is taxed, or through a Qualified Small Employer Health Reimbursement Arrangement (QSEHRA) or an Individual Coverage Health Reimbursement Account (ICHRA). Coverage you buy on your own does not qualify you for the Part B SEP – even if an employer paid for some or all of it. And there is no coordination of benefits between Medicare and individual/family coverage (in other words, there is no “primary” and “secondary” coverage). If you have individual/family coverage, you should sign up for Medicare when you’re first eligible, during your initial enrollment period. If you miss that, you’ll need to wait until the general enrollment period.
Josh Schultz has a strong background in Medicare and the Affordable Care Act. He coordinated a Medicare ombudsman contract at the Medicare Rights Center in New York City, and represented clients in extensive Medicare claims and appeals. In addition to advocacy work, Josh worked on federal and state health insurance exchanges at the technology firm hCentive.
Contributions to healthinsurance.org and medicareresources.org represent only his own views.
If you were penalized for delayed Medicare Part B enrollment, you may have the penalty waived if you were advised to delay Part B, and now find you were given bad advice. Asking for the correction is known as requesting equitable relief.
Here's how to save money on premiums for Medicare Part B – which covers doctor visits, diagnostics, and preventive care.
Eligibility for Medicare coverage depends on factors that include your work history, health status, and residency status. Check your eligibility today.
Learn how and when to enroll in Original Medicare, Medicare Advantage, Medigap, and Part D coverage. Get plan information and a free quote today.
Medicare Part B provides coverage of services provided by doctors, outpatient hospital services and other healthcare providers, as well as some home health services and durable medical equipment.
If you were penalized for delayed Medicare Part B enrollment, you may have the penalty waived if you were advised to delay Part B, and now find you were given bad advice. Asking for the correction is known as requesting equitable relief.
Here's how to save money on premiums for Medicare Part B – which covers doctor visits, diagnostics, and preventive care.
Eligibility for Medicare coverage depends on factors that include your work history, health status, and residency status. Check your eligibility today.
Learn how and when to enroll in Original Medicare, Medicare Advantage, Medigap, and Part D coverage. Get plan information and a free quote today.
Medicare Part B provides coverage of services provided by doctors, outpatient hospital services and other healthcare providers, as well as some home health services and durable medical equipment.
