Medicare Advantage Plan Discontinued for 2027? Your Special Enrollment Period and the Medigap Window Most People Miss

A woman in her late sixties stands beside a sunlit living-room window, looking outdoors with a calm, hopeful expression as autumn foliage shows through the glass.

If your Medicare Advantage plan is discontinued for 2027, meaning the plan itself is not being offered again next year, you do not lose your Medicare and you are not out of options. The phrase on the notice may read "non-renewed," "terminated," or "not being offered," but it all points to the same event: a Medicare Advantage plan discontinued for the coming year. A plan ending gives you a Special Enrollment Period that runs from December 8, 2026 through February 28, 2027, and it can also open a time-limited, 63-day federal window to buy a Medicare Supplement (Medigap) policy with no medical underwriting. That Medigap door is the part most people never hear about, and here in North Carolina there is no annual backstop if you let it close. Below is what a discontinued plan actually means, the dates that matter, and how to weigh your choices without rushing.

The short version

  • A discontinued (non-renewed) Medicare Advantage plan unlocks a Special Enrollment Period from December 8, 2026 through February 28, 2027 to pick a new plan or return to Original Medicare with a Part D drug plan.
  • The Annual Enrollment Period (October 15 through December 7, 2026) runs first, so you effectively have a continuous window to act from mid-October through the end of February.
  • If you do nothing, you are moved to Original Medicare on January 1, 2027, but you are not given a drug plan automatically. You have to choose one.
  • Returning to Original Medicare because your plan ended opens a 63-day federal guaranteed-issue window to buy Medigap with no health questions. Miss it and, in North Carolina, insurers can price or deny you based on your health.
  • A hospital or doctor leaving your plan's network is a different event from your whole plan ending, and it does not carry the same rights.

What "Medicare Advantage plan discontinued" actually means

Each fall, your plan sends an Annual Notice of Change, usually by about September 30, spelling out next year's costs and coverage. If your plan is not returning at all, the insurer must also send a separate non-renewal notice in early October explaining your rights and options. That notice is your signal to act. A discontinued plan is different from one that is merely raising copays or trimming a benefit: the specific plan you are enrolled in will not exist in 2027, so you will need to choose something else or be moved automatically.

According to KFF's Medicare open-enrollment guidance, if your plan is not offered next year and you do not pick a new one, you are enrolled by default in Original Medicare on January 1. The catch is that Original Medicare does not include prescription drug coverage, so unless you qualify for Extra Help (which assigns a drug plan for you), you must sign up for a standalone Part D plan yourself to avoid a gap in your prescriptions.

How many people this affects

This is not a rare event anymore. Plan exits for 2026 reached record levels. Two respected analyses measured the disruption in different ways, and they should be read side by side, not added together, because they count different things.

Medicare Advantage disruption for 2026, by source
What was measured Figure Source
Projected forced-disenrollment rate from plan exits About 10.0% of enrollees, roughly 2.9 million people JAMA research letter
Enrollees with drug coverage in a plan terminated for 2026 About 13%, roughly 2.6 million people KFF
Total members facing disruption (terminations plus consolidations) Nearly 3.9 million people KFF
Counties one insurer (UnitedHealthcare) is exiting for 2026 225 counties (a net decrease of 211) KFF

The JAMA research letter projects the forced-disenrollment rate reaching about 10.0% for 2026, roughly 2.9 million enrollees, up from a 2018 to 2024 average near 1.0%. Separately, KFF's analysis of 2026 plan offerings counted about 2.6 million enrollees with drug coverage in a terminated plan and nearly 3.9 million facing some disruption once consolidations are included. Those figures, 2.9 million and 2.6 million, come from different methods and are not the same count. Either way the message is the same: if your plan is ending, you are in very good company, and there is a clear process to follow.

The enrollment window: the dates that matter

When a Medicare Advantage plan is discontinued, you get a Special Enrollment Period that the Medicare Rights Center describes as running from December 8, 2026 through February 28, 2027 (February 28, because 2027 is not a leap year). During this period you can join a different Medicare Advantage plan or return to Original Medicare and add a Part D drug plan. The timing controls when coverage starts: choose in December for a January 1 start, in January for February 1, or in February for March 1.

One point that is easy to misread: December 8 is not the earliest you can act. The Annual Enrollment Period, October 15 through December 7, 2026, comes first, so an affected enrollee has a nearly continuous window from mid-October 2026 through the end of February 2027. The Special Enrollment Period is simply the back half of that runway, giving you extra time if you are still deciding after December 7.

The Medigap window most people miss

Here is the part that rarely makes the notice in plain language. When your plan ends and you move back to Original Medicare, federal law gives you a guaranteed-issue right to buy a Medigap policy without medical underwriting, and the National Council on Aging explains that this right lasts 63 days after you leave the plan. Guaranteed issue means the insurer cannot turn you down, charge you more, or make you wait because of your health history. That clock generally starts from the later of your coverage-end date or the date of your notice, so read the dates on your letter carefully.

Two honest caveats keep this accurate. First, guaranteed issue does not open every Medigap plan. People who first became eligible for Medicare on or after January 1, 2020 cannot buy Plan C or Plan F even with a guaranteed-issue right; their choices are Plans A, B, D, G, K, or L. Second, this is a federal floor, and where you live matters. According to the North Carolina Department of Insurance, our state follows the federal rules and does not add an annual or birthday-month Medigap guaranteed-issue window the way a few states (such as California, New York, and Connecticut) do. For most North Carolina seniors losing a plan, the 63-day federal window is the operative protection, so if you let it lapse there is no yearly do-over waiting for you.

A provider leaving your network is not the same as your plan ending

This distinction protects you from a costly mistake. Your whole plan being discontinued is one event. A hospital or doctor going out of network while your plan continues is a different event, and it does not, by itself, unlock the non-renewal Special Enrollment Period or the plan-loss 63-day Medigap right.

North Carolina saw a clear example of the second kind. As the Watauga Democrat reported, UNC Health and UNC Health Blue Ridge went out of network with Humana, WellCare, and Health Care Service Corporation (formerly Cigna) Medicare Advantage plans effective January 1, 2026, after the parties could not reach new contract terms. If that happened to you, your plan still existed; a provider left its network. That situation may qualify only under the narrower, existing "Significant Change in Provider Network" Special Enrollment Period, which is not automatic.

You may also hear that this is changing. In a proposed rule released November 25, 2025, CMS floated broadening that provider-network Special Enrollment Period so any affected enrollee would qualify automatically. It is important to be precise here, because this is your coverage: that change was proposed but not adopted. In the final rule released in April 2026, as the law firm Holland & Knight documented, CMS declined to modify the provider-network Special Enrollment Period and said it may revisit the issue later. So as of today, the existing narrower rule still applies, and the broader automatic version is a proposal to watch, not current law. Do not count on it.

Is guaranteed-issue Medigap always the right move?

No, and we want to be straight with you about that. The value of the 63-day guaranteed-issue window is that the door is time-limited and easy to miss, not that everyone should walk through it. Returning to Original Medicare paired with a Medigap policy and a standalone Part D plan can cost more in monthly premiums than switching to another Medicare Advantage plan, some of which carry a $0 monthly premium, and some people will reasonably prefer another Medicare Advantage plan. The right answer depends on your doctors, your prescriptions, your budget, and how much predictability you want. We raise the Medigap window so the choice is yours to make on purpose, before the clock runs out, rather than a door that quietly closes while you compare plans.

Where North Carolina seniors can get unbiased help

You do not have to sort this out alone, and you do not have to start with a sales pitch. North Carolina's Seniors' Health Insurance Information Program (SHIIP), part of the state Department of Insurance, offers free, unbiased Medicare counseling. You can reach SHIIP at 1-855-408-1212 to talk through a plan change with someone who is not selling you anything.

For local context, the Greensboro area even has its own homegrown Medicare Advantage carrier: HealthTeam Advantage, a joint venture of Cone Health and Novant Health, offers 2026 plans across roughly 33 North Carolina counties. We mention it only as a marker of how active this market is close to home, not as a recommendation. Which plan, or whether to leave Medicare Advantage at all, is a personal decision.

Talk it through with Seniors Insurance Hub

Have more questions or want to get in touch? Reach out to our team and we will help you read your notice, confirm your dates, and understand every option in front of you, with no pressure. Prefer to speak with a member of our team? Give us a call at (336) 937-7501. The team at Seniors Insurance Hub looks forward to hearing from you.

Citations

  1. KFF: "I received a notice that my Medicare Advantage plan is not being offered next year. What do I need to do?" (updated September 1, 2025)
  2. Medicare Interactive (Medicare Rights Center): "Options for those whose Medicare Advantage or Part D plan is ending at the close of the year" (maintained reference)
  3. National Council on Aging: "What Are the Medicare Advantage Special Enrollment Periods?" (updated July 7, 2026)
  4. North Carolina Department of Insurance (SHIIP): "Medicare Supplement (Medigap) Plans" (maintained reference)
  5. JAMA (Meiselbach et al.): "Forced Disenrollments Among Medicare Advantage Beneficiaries Following 2026 Plan Exits" (published online February 18, 2026)
  6. KFF: "Medicare Advantage 2026 Spotlight: A First Look at Plan Offerings" (December 9, 2025)
  7. Centers for Medicare & Medicaid Services: "Contract Year 2027 Medicare Advantage and Part D Proposed Rule" fact sheet (November 25, 2025)
  8. Holland & Knight LLP: "CMS Finalizes CY 2027 Medicare Advantage and Part D Rule" (April 7, 2026)
  9. Watauga Democrat: "UNC Health will no longer accept three Medicare Advantage plans effective Jan. 1" (October 21, 2025)