
If you are covered under a plan at work, or a spouse’s plan, you may be able to delay enrolling in Medicare without penalty. Most people are eligible for premium-free Medicare Part A at age 65. Generally, it’s a good idea to sign up for Part A, even if you have other coverage.
Full Answer
Should you sign up for Medicare now?
If you’re 65 or older, still working and are covered by employer health insurance, it can make sense to sign up for Medicare now. Enrollment might reduce your out-of-pocket costs. Millions find themselves in this situation.
How does Medicare work with my employer’s insurance?
If Medicare pays secondary to your insurance through your employer, your employer’s insurance pays first. Medicare covers any remaining costs. Depending on your employer’s size, Medicare will work with your employer’s health insurance coverage in different ways.
Do I have to enroll in Medicare if I'm still working?
But if you’re still working at 65, and you have coverage under a group health plan through an employer with 20 employees or more, then you don’t have to enroll in Medicare right now. But if your employer has less than 20 employees, you need to take Medicare Parts A and B, because that will be your primary insurance.
Do I have to tell Medicare about my work plans?
You don’t have to tell Medicare about your work plans. If you don’t want to sign up for Part A (or B) when you turn 65, you can continue contributing to your HSA.

Can you have Medicare and employer insurance at the same time?
As Medicare Part B requires beneficiaries to pay a premium, you may wish to delay enrollment if you have group insurance. Thus, you can keep Medicare and employer coverage. The size of your employer determines whether your coverage will be creditable once you retire and are ready to enroll in Medicare Part B.
Is Medicare primary or secondary to employer coverage?
Medicare pays first and your group health plan (retiree) coverage pays second . If the employer has 100 or more employees, then the large group health plan pays first, and Medicare pays second .
Can I keep my private insurance and Medicare?
It is possible to have both private insurance and Medicare at the same time. When you have both, a process called “coordination of benefits” determines which insurance provider pays first. This provider is called the primary payer.
Will Medicare pay my primary insurance deductible?
“Medicare pays secondary to other insurance (including paying in the deductible) in situations where the other insurance is primary to Medicare.
How long does it take to get Medicare?
All told, you get seven months to enroll in Medicare and secure health coverage.
How much is Medicare Part B deductible?
In 2020, Medicare Part B comes with an annual deductible of $198. Meanwhile, your deductible per hospital stay under Part A is $1,408. Compare these numbers to what your employer plan charges to get a more comprehensive cost comparison.
Can you get a penalty for enrolling late in Medicare?
But if you're covered by a group health plan at work with at least 20 employees on it, that penalty won't apply.
Is it a good idea to put money into a health savings account?
Am I still contributing to a health savings account? Putting money into a health savings account, or HSA, is a good way to save serious money on taxes, all the while setting money aside for retirement you can use for healthcare purposes.
Is Medicare Part A free?
Though Medicare Part A, which covers hospital care, is free for most enrollees, Part B, which covers outpatient care, is not. As such, it pays to compare your premium costs under Medicare with what you pay for your employer plan.
Signing up for Medicare might make sense even if you have private insurance
Jeffrey M. Green has over 40 years of experience in the financial industry. He has written dozens of articles on investing, stocks, ETFs, asset management, cryptocurrency, insurance, and more.
How Medicare Works
Before diving into how Medicare works with your existing health coverage, it’s helpful to understand how it works on its own. Medicare has four main parts: A, B, C, and D. You can also purchase Medicare supplement insurance, known as Medigap.
Medicare Enrollment Periods
Medicare has a few enrollment periods, but the initial enrollment period may be the most important. This is when you first become eligible for Medicare. And if you miss the deadline to sign up for Parts B and D, you could face expensive penalties .
How Medicare Works If You Have Private Insurance
If you have private insurance, you may want to sign up for Parts A, B, D—and possibly a Medicare Advantage plan (Part C) and Medigap, once you become eligible. Or not. There are reasons both for and against. Consider how the following types of coverage work with Medicare to help you decide.
Primary and Secondary Payers
Your Medicare and private insurance benefits are coordinated, which means they work together. Typically, a primary payer will pay insurance claims first (up to plan limits) and a secondary payer will only kick in for costs not covered by the primary payer.
Frequently Asked Questions (FAQs)
No, you can delay signing up for Medicare without penalty, as long as you are covered by another type of private insurance. Generally, if you are eligible for premium-free Part A, you should still sign up for it, even if you have additional private insurance coverage. 18
What happens if you leave Medicare without a creditable coverage letter?
Without creditable coverage during the time you’ve been Medicare-eligible, you’ll incur late enrollment penalties. When you leave your group health coverage, the insurance carrier will mail you a creditable coverage letter. You’ll need to show this letter to Medicare to protect yourself from late penalties.
What happens if you don't have Part B insurance?
If you don’t, your employer’s group plan can refuse to pay your claims. Your insurance might cover claims even if you don’t have Part B, but we always recommend enrolling in Part B. Your carrier can change that at any time, with no warning, leaving you responsible for outpatient costs.
What is a Health Reimbursement Account?
Beneficiaries who participate can get tax-free reimbursements, including their Part B premium. A Health Reimbursement Account is a well-known Section 105 plan. An HRA reimburses eligible employees for their premiums, as well as other medical costs.
Is Medicare billed first or second?
If your employer has fewer than 20 employees, then Medicare becomes primary. This means Medicare is billed first, and your employer plan will be billed second. If you have small group insurance, it’s HIGHLY recommended that you enroll in both Parts A and B as soon as you’re eligible. If you don’t, your employer’s group plan can refuse ...
Is a $4,000 hospital deductible a creditable plan?
For your outpatient and medication insurance, a plan from an employer with over 20 employees is creditable coverage. This safeguards you from having to pay late enrollment penalties for Part B and Part D, ...
Is Part B premium free?
Since Part B is not premium-free like Part A is for most, you may wish to delay enrollment if you have group insurance. As stated above, the size of your employer determines whether your coverage will be considered creditable once you retire and are ready to enroll. Group coverage for employers with 20 or more employees is deemed creditable ...
Can employers contribute to Medicare premiums?
Medicare Premiums and Employer Contributions. Per CMS, it’s illegal for employers to contribute to Medica re premiums. The exception is employers who set up a 105 Reimbursement Plan for all employees. The reimbursement plan deducts money from the employees’ salaries to buy individual insurance policies.
How long does Medicare coverage last?
This special period lasts for eight months after the first month you go without your employer’s health insurance. Many people avoid having a coverage gap by signing up for Medicare the month before your employer’s health insurance coverage ends.
What is a small group health plan?
Since your employer has less than 20 employees, Medicare calls this employer health insurance coverage a small group health plan. If your employer’s insurance covers more than 20 employees, Medicare will pay secondary and call your work-related coverage a Group Health Plan (GHP).
Does Medicare pay second to employer?
Your health insurance through your employer will pay second and cover either some or all of the costs left over. If Medicare pays secondary to your insurance through your employer, your employer’s insurance pays first. Medicare covers any remaining costs. Depending on your employer’s size, Medicare will work with your employer’s health insurance ...
Does Medicare cover health insurance?
Medicare covers any remaining costs. Depending on your employer’s size, Medicare will work with your employer’s health insurance coverage in different ways. If your company has 20 employees or less and you’re over 65, Medicare will pay primary. Since your employer has less than 20 employees, Medicare calls this employer health insurance coverage ...
Can an employer refuse to pay Medicare?
The first problem is that your employer can legally refuse to make any health-related medical payments until Medicare pays first. If you delay coverage and your employer’s health insurance pays primary when it was supposed to be secondary and pick up any leftover costs, it could recoup payments.
What happens if you overlook Medicare enrollment rules?
Medicare processes and rules are complex and rife with exceptions; if you overlook something in the enrollment rules, you may pay a high price in terms of both penalties and gaps in coverage. So you should consult with Medicare and with the benefits administrator for your employer coverage — before you enroll or decide to delay enrollment.
How long do you have to work to get Medicare Part A?
If by the time you reach 65 you’ve worked a total of approximately 10 years over your career, you’re entitled to premium-free Medicare Part A, which pays for in-patient hospital charges and more.
How many employees do you have to have to have Medicare Part B?
If the employer has fewer than 20 employees: If your or your spouse's employer has fewer than 20 employees and the health coverage is not part of a multiemployer group plan, at age 65 you must enroll in Medicare Part B, which will be your primary insurance. If you have an HSA and want to keep contributing: If you have an HSA ...
What is Medicare Part A?
If the employer has fewer than 20 employees: If your or your spouse's employer has fewer than 20 employees and the health coverage is not part of a multiemployer group plan, at age 65 you must enroll in Medicare Part A, which will be your primary insurance. “Primary” means that Medicare pays first, and then the employer insurance kicks in ...
How long do you have to keep HSA contributions?
Stop making contributions to your HSA at least six months before you sign up for Part B. And you’ll want to sign up for Medicare at least a month before you stop work ...
Does Medicare Part A cover my employer?
Because in some cases, Medicare Part A may cover what your employer plan does not. But as with so many aspects of Medicare, there are caveats, exceptions and potential pitfalls. If the employer has 20 or more employees: If your or your spouse's employer has 20 or more employees and a group health plan, you don't have to sign up for Medicare ...
Is Medicare cheaper than group health insurance?
If your employer (or your spouse’s employer) requires you to pay a large portion of the premium on your group health insurance, you may find Medicare cheaper and the coverage adequate. So compare your current coverage and out-of-pocket expenses — including premiums, deductibles, copays and coinsurance — with your costs and benefits under Medicare, which may also pay some expenses not covered by your group plan.
What happens if you don't sign up for Medicare?
Specifically, if you fail to sign up for Medicare on time, you’ll risk a 10 percent surcharge on your Medicare Part B premiums for each year-long period you go without coverage upon being eligible.
When do you get Medicare if you leave your job?
In that case, you’ll get an eight-month special enrollment period to sign up for Medicare if and when you leave your job or your employer stops offering coverage. It will start the month after you separate from your employer, or the month after your group health coverage ends – whichever happens sooner.
How long does it take to get Medicare?
Learn how to make sure they have health insurance once you’re enrolled. Medicare eligibility starts at age 65. Your initial window to enroll is the seven-month period that begins three months before the month of your 65th birthday and ends three months after it. Seniors are generally advised to sign up on time to avoid penalties ...
Do you have to double up on Medicare?
No need to double up on coverage. Many seniors are no longer employed at age 65, and thus rush to sign up for Medicare as soon as they’re able. But if you’re still working at 65, and you have coverage under a group health plan through an employer with 20 employees or more, then you don’t have to enroll in Medicare right now.
Does Medicare pay for Part A?
That said, it often pays to enroll in Medicare Part A on time even if you have health coverage already. It won’t cost you anything, and this way, Medicare can serve as your secondary insurance and potentially pick up the tab for anything your primary insurance (in this case, your work health plan) doesn’t cover.
When does my Medicare coverage take effect?
If you sign up before the month you turn 65, your coverage will take effect on the first day of your birthday month—October 1, in your case. (If your birthday had been on the first of the month, your coverage would take effect the first day of the previous month, or September 1.)
How to maximize Medicare benefits?
7 Ways to Maximize Medicare Benefits. If you enroll while you’re still on your employer’s group health plan or during the first full month when you are no longer on the plan, your coverage can either begin on the first day of the month you enroll or start on the first day of any of the following three months. ...
How long does it take for a 401(k) to take effect?
If you sign up one month after your birthday month, your coverage will take effect two months after enrollment. Enroll two or three months after your birthday month and the coverage will take effect three months after the month you sign up.
