Medicare Expert Q&A: Will I Be Automatically Enrolled in Medicare When I Turn 65?
- January 12, 2024
- Reviewed by John Krahnert
"I turn 65 next year. Will I be automatically enrolled in Medicare? Is there anything I need to do?" – Linda M., Springfield, MO
Thanks for writing in, Linda. I’ll start answering your question by asking one of my own: Will you be collecting retirement benefits from Social Security or the Railroad Retirement Board for at least four months by the time you turn 65 years old?
I ask because automatic enrollment in Medicare hinges largely on that particular criteria.
- If you are already collecting Social Security retirement benefits or Railroad Retirement Board benefits (or if you plan to start receiving those benefits soon) for at least four months prior to turning 65, you will typically be automatically enrolled in Medicare Part A and Medicare Part B on the first day of the month in which you turn 65.
In fact, you should expect to receive your Medicare card and a “Welcome to Medicare” packet of information in the mail in the weeks leading up to your 65th birthday.
Medicare Part B is optional, but you will still be automatically enrolled and given the option of opting out later on, if you choose. - If you choose to delay collection of your Social Security or Railroad Retirement Board retirement benefits and will not be collecting those benefits by age 65, you will not be automatically enrolled in Medicare.
If this is the case, you must take steps to manually enroll in Medicare. You can do so online at the Social Security Administration website, over the phone by calling 1-800 MEDICARE (1-800-633-4227) TTY 1-877-486-2048, or in person at your local Social Security office.
Medicare typically won’t let you know that you need to enroll
It’s important to know that if you are not collecting Social Security or Railroad Retirement Board benefits and therefore are not eligible for automatic Medicare enrollment, Medicare will not take any steps to contact you or notify you of your enrollment options.
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If you do not enroll within three months after turning 65 (the end of your Initial Enrollment Period), you may be faced with late enrollment penalties and delayed coverage when you finally do enroll later on.
Enrolling in Medicare during your Initial Enrollment Period (IEP)
Let’s talk a little more about your Medicare Initial Enrollment Period. This period begins three months before you turn 65 years old, includes the month of your birthday and continues for three more months after you turn 65, for a total of seven months.
It is during this Initial Enrollment Period that you may first sign up for Medicare.
During your IEP, you may also be able to enroll in a private Medicare insurance plan such as:
- A Medicare Advantage (Medicare Part C) plan that provides all the same benefits as Original Medicare (Parts A and B) but is offered by a private insurance company and may include other benefits not covered by Original Medicare.
- A Medicare Prescription Drug Plan (Part D) that covers retail prescription drugs that Original Medicare typically doesn’t cover.
Private Medicare plans are optional and you will not be automatically enrolled in any of them.
If you choose not to enroll in a Medicare Advantage plan or a Medicare Part D plan during your Initial Enrollment Period, you will have to wait for the Annual Enrollment Period (AEP, also known as the Medicare Open Enrollment Period for Medicare Advantage and prescription drug plans) that runs from Oct. 15 to Dec. 7 each year.
Applying for a Medicare Supplement plan after you turn 65
Depending on your eligibility, you may be able to apply for a Medicare Supplement Insurance (Medigap) plan after you turn 65.
A Medigap plan works alongside your Original Medicare coverage and helps pay for certain out-of-pocket Medicare costs such as copays, coinsurance and more. The best time to apply for a Medigap plan is during your Medigap Open Enrollment Period, which lasts for six months and starts as soon as you are 65 and enrolled in Medicare Part B.
It’s important to note that Medicare Supplement plans and Medicare Advantage plans are not the same thing, and you cannot have a Medicare Supplement plan and a Medicare Advantage plan at the same time.
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You can also compare plans online for free, with no obligation to enroll.
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About the author
Christian Worstell is a senior Medicare and health insurance writer with MedicareAdvantage.com. He is also a licensed health insurance agent. Christian is well-known in the insurance industry for the thousands of educational articles he’s written, helping Americans better understand their health insurance and Medicare coverage.
Christian’s work as a Medicare expert has appeared in several top-tier and trade news outlets including Forbes, MarketWatch, WebMD and Yahoo! Finance.
Christian has written hundreds of articles for MedicareAvantage.com that teach Medicare beneficiaries the best practices for navigating Medicare. His articles are read by thousands of older Americans each month. By better understanding their health care coverage, readers may hopefully learn how to limit their out-of-pocket Medicare spending and access quality medical care.
Christian’s passion for his role stems from his desire to make a difference in the senior community. He strongly believes that the more beneficiaries know about their Medicare coverage, the better their overall health and wellness is as a result.
A current resident of Raleigh, Christian is a graduate of Shippensburg University with a bachelor’s degree in journalism.
If you’re a member of the media looking to connect with Christian, please don’t hesitate to email our public relations team at Mike@tzhealthmedia.com.
