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Medicare Resource Center

Medicare Enrollment

Learn about the Medicare Enrollment Periods, such as Initial Enrollment, Annual Enrollment and Medicare Advantage Open Enrollment

Is it time to enroll? Learn more about Medicare enrollment periods

Medicare enrollment doesn’t need to be scary. Understanding Medicare enrollment will help you prepare for the best time to start receiving benefits. Certain parts of Medicare have different enrollment periods and your individual circumstances may mean you’re eligible for special enrollment periods.

Continue reading below to learn more and if you’re still unsure when you should enroll, SmartMatch licensed insurance agents can give you a definitive answer.

Explore Enrollment Periods

Initial Enrollment Period

Your Initial Enrollment Period (IEP) begins three months before your 65th birthday month and ends three months after, for a total of seven months including your birth month. This is your opportunity to enroll in Medicare Parts A, B, and D.

If you're not already receiving Social Security or Railroad Retirement Board benefits, it's essential to sign up for Medicare Parts A and B during your IEP.

Even if you're not planning to retire at age 65, you can still enroll in Medicare Parts A and B during your IEP. After retirement, you have the option to switch to a Medicare Advantage plan that offers more comprehensive coverage, such as dental, vision, hearing, critical illness, and more.

Initial Enrollment Period Timeline

The Initial Enrollment Period (IEP) is the seven-month period of time when you can enroll for the first time in a Medicare plan. It starts on the 1st day of the month that is 3 months before my birth month and ends on the last day of the month that is 3 months past my birth month.

General Enrollment Period

If you're eligible for Medicare but didn't sign up when you first could, don't worry:  The General Enrollment Period (GEP) runs from January 1st to March 31st each year and gives you another chance to enroll in Medicare Parts A and B.

The GEP is a yearly opportunity for those who missed their initial Medicare enrollment window to sign up. It's also a chance to enroll if you missed any special enrollment periods due to life events like losing job-based coverage.

Many people delay enrolling in Medicare Part B if they're still working and have employer-provided health insurance. While this is often a smart move, some individuals might miss their initial sign-up window or experience changes in their employment situation that make Medicare more attractive. However, you may be subject to a Part B Late Enrollment Penalty.

What To Know About Late Enrollment Penalties

Annual Enrollment Period

Medicare's Annual Enrollment Period, also known as Medicare's Open Enrollment Period or Annual Election Period, lasts from Oct. 15 through Dec. 7 each year. Changes made during this time take effect on Jan. 1 of the following year.

This period is specifically important for those with Medicare Advantage plans and Medicare Part D (Prescription Drug) plans. 

Frequently asked questions about Medicare's Annual Enrollment Period

Medicare's Annual Enrollment Period: Key Takeaway

There's no getting around it: Medicare's Annual Enrollment Period is a source of confusion and stress for many Medicare beneficiaries each year. You'll be inundated with advertisements, often leading to confusing conclusions on what you should or should not do.

That's why we recommend SmartMatch as your first call each AEP, whether you're a current customer or not. We can take the guess-work out of this time for you, and help make you confident Medicare decisions for the next year.

Special Enrollment Periods

You may be eligible to enroll in Medicare after your IEP and outside of the Annual Enrollment Period if you meet certain criteria. These are divided into a few categories with many situations underneath; we'll explore some of the common ones now, but we recommend, for a full list, visit the Medicare.gov page at the bottom of this section. 

In addition, if you believe you're in a Special Enrollment Period, a SmartMatch licensed insurance agent can help examine your situation to determine your eligibility.

You've moved.

Moving may mean that your new address isn't in your current plan's service area, or your new address may have new plan options.

In both these options, you can switch to a new Medicare Advantage or Medicare drug plan, but your timeline depends on how soon your notify your current plan.

You've lost current coverage.

Examples of this situation include leaving coverage from your employer or union (including COBRA) or you've lost creditable drug coverage.

In the first situation, you have two months to join a Medicare Advantage or Medicare drug plan for 2 months following the month your coverage ends. In the second, you can join a Medicare Advantage plan with drug coverage (MA-PD) or a Medicare drug plan.

You have other coverage choices.

This situation includes having a chance to join coverage offered by an employer or union, or you are enrolling in other drug coverage as good as Medicare drug coverage.

In the first, you can drop your current Medicare Advantage plan or Medicare drug plan to enroll in your new employer plan. In the second, you can drop your current Medicare Advantage or Medicare drug plan coverage to be enrolled in Original Medicare, or you can switch from a Medicare Advantage plan with drug coverage to one without.
Again, these are not inclusive of all scenarios in which you may be eligible for a Special Enrollment Period. For more information, visit the link below or contact your SmartMatch Licensed Insurance Agent.

Other Enrollment Periods

There are two other periods that occur after you have enrolled in Medicare and want to make changes, and they pertain to two different aspects of Medicare: Medicare Supplement (Medigap) and Medicare Advantage.

These are called the Medigap Open Enrollment Period and the Medicare Advantage Open Enrollment Period.

Medigap Open Enrollment Period

Medicare Advantage Open Enrollment Period

Want to learn more?
Now that you know about Medicare's enrollment periods, it's time to learn more about what plan may be right for you. Go to our next section to learn about Medicare Advantage, Medicare Supplement and Medicare Part C.
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Please contact Medicare.gov, 1-800-Medicare or your local State Health Insurance Program (SHIP) to get information on all of your options. The plans we represent do not discriminate on the basis of race, color, national origin, age, disability, or sex. Not all plans offer all benefits. Benefits may vary by carrier and location. Limitations and exclusions may apply. Limitations and exclusions may apply. No obligation to enroll. Plans are insured or covered by a Medicare Advantage (HMO, PPO and PFFS) organization with a Medicare-approved Part D sponsor. Enrollment in the plan depends on the plan’s contract renewal with Medicare. PLEASE NOTE: Medicare Supplement insurance is available to those age 65 and older enrolled in Medicare Parts A and B and, in some states, to those under age 65 eligible for Medicare due to disability or End-Stage Renal disease.

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