Available Mon-Fri, 9am-6pm ET | Call 800-970-1964
Your Medicare Supplement Open Enrollment Period is a 7-month window around your 65th birthday. It starts three months before your birthday month and ends three months after. For example, if your birthday is on May 12, your IEP runs from February 1 to August 31. During this time, you’ll be able to enroll in Parts A and B of Original Medicare and any other Medicare-related plans such as a Medicare supplement.
Your Open Enrollment Period gives you guaranteed issue rights to any Medicare supplement you want. You’ll be able to choose any of the ten plans and any insurance company you want, and you are guaranteed access to that plan. (The exception to this is Plan F, which limits enrollment to those who turned 65 before January 1, 2020.)
You won’t need to pass medical underwriting during this time, and the insurance carrier can’t charge you higher premiums due to your health history.
The same guaranteed issue rules apply to individuals who postpone Medicare enrollment. For example, many people are working past the age of 65 and stay on their employer-sponsored plan. As long as that plan was creditable, they’ll have guaranteed issue rights to a Medicare supplement when they lose their employer coverage.
Medicare Doesn’t Have To Be So Hard…
Schedule your FREE appointment to have our team answer your questions and make Medicare easy.
There are other times when you’ll have guaranteed issue rights, but with some limitations.
If you choose to enroll in Medicare Advantage (Part C), you will have a Trial Right for your first year of enrollment. That means that if you decide that you want to switch to a Medicare supplement within that first year, you’ll have guaranteed issue rights. However, which Medicare supplement you’ll have the right to will depend on various factors like your birthday and if you had a Medicare supplement before trying Medicare Advantage.
Other times when you might find yourself with guaranteed issue rights include your Medicare SELECT or Medicare Advantage plan moving from the service area, your insurance company breaking Medicare rules, or your carrier going bankrupt.
A handful of states have their own rules around when you can enroll in a Medicare supplement without undergoing medical underwriting.
Some states allow you to change your Medicare supplement without underwriting each year around your birthday. The enrollment windows range from 31 days to 93 days. You can use this time to enroll in the same plan (but with a different company) or a plan that provides less coverage (like switching from Plan F to Plan G).
The states with birthday rules are:
Five states allow you to enroll in a Medicare supplement without underwriting at any time of the year, regardless of your age.
The four states with year-round open enrollment are:
New York
Connecticut
Vermont
Washington
Oklahoma
In the state of Missouri, you can switch to a Medicare Supplement plan of equal or lesser coverage without health questions, during your last month of coverage on your existing policy.
For example, you started your Plan G coverage on February 1, 2020. Your policy will automatically renew on February 1, 2021. In Missouri, you have the entire month of January 2021 to enroll in a Plan G, Plan N, or one of the less popular Medicare Supplements, without health questions.
In the state of Maine, each insurer must designate a one-month period where any applicant will be accepted into a Medicare Supplement Plan A. Insurers are not required to offer the popular Plan G and Plan N during this period.
“This was the best experience I’ve ever had dealing with Medicare information.” – Darrell P.
For 40 years, our family has been helping seniors understand their Medicare benefits and find the best plan for their unique situation – the best part? Our service is always 100% free to you!
Wouldn’t this be
Easier on video?
Reading about Medicare can be confusing . . . That’s why we took all the important parts and put them into an easy, free video.
Get Our FREE Medicare & Social Security Cheat Sheet
Download this FREE printable cheat sheet to get the information you need in one place. You’ll never worry about forgetting a number, date, or deadline again. UPDATED FOR 2025!
Popular Articles
Learn how Medicare works, when and how to sign up, and a breakdown of all the coverage options in this easy guide.
There are several severe penalties to make sure you avoid when dealing with Medicare. If you get them, they can stay with you for life.
The costs for Medicare change each year. In this article we break down the costs for Medicare premiums and co-pays.
© 2025 The Medicare Family. All Rights Reserved.
Owned by: ESG Insurance LLC. This website is not connected with the federal government or the federal Medicare program. The purpose of this website is the solicitation of insurance. We do not offer every plan available in your area. Currently we represent 31 organizations which offer 3,740 products. Please contact Medicare.gov or 1-800 MEDICARE or your local State Health Insurance Program to get information on all of your options.
© 2025 The Medicare Family. All Rights Reserved.
Owned by: ESG Insurance LLC. This website is not connected with the federal government or the federal Medicare program. The purpose of this website is the solicitation of insurance. We do not offer every plan available in your area. Currently we represent 31 organizations which offer 3,740 products. Please contact Medicare.gov or 1-800 MEDICARE or your local State Health Insurance Program to get information on all of your options.
By entering your email address, you agree to receive emails from The Medicare Family. We respect your privacy and you can unsubscribe anytime.
