Getting a letter saying your Medicare Advantage plan is disappearing can be unsettling, especially when doctors, prescriptions, and premiums already fit your budget. Humana says its 2027 plan exits will affect about 600,000 members, and understanding the Humana Medigap guaranteed-issue window could be the most consequential thing affected members do this fall.
Why Humana Is Exiting Plans Covering 600,000 Members
On its July 29 earnings call, Humana said targeted Medicare Advantage plan exits for 2027 will affect approximately 600,000 members as the company works to improve profitability. Executives said they were concentrating cuts on the “lower tail” of plan profitability rather than reducing benefits uniformly across the business.
How Many Members Humana Expects to Retain
Humana also expects to move a meaningful share of affected customers into other Humana plans, estimating a recapture rate similar to the just over 40% rate it achieved after earlier exits in 2025. If that rate holds, roughly 240,000 of the 600,000 affected members could stay with Humana through another plan, while the rest would likely choose other coverage. Those figures are company expectations, however, and individual options may vary.
A Discontinued Plan Doesn’t Mean Losing Medicare
If a Humana Medicare Advantage plan isn’t renewed, the underlying Medicare eligibility remains intact. Medicare says beneficiaries whose Advantage plans leave the program need to choose new coverage for the following year, and if they don’t select another Medicare Advantage plan before the old plan ends, they’ll generally move back to Original Medicare.
Why the Plan Non-Renewal Notice Matters
Medicare says the formal Plan Non-Renewal Notice generally arrives in October, and it should state that the plan won’t continue the following year. Confirming the exact coverage-end date in that letter is essential, since several important enrollment protections, including the Medigap guaranteed-issue window, are tied directly to when the current plan actually ends.
October 15 Starts the First Major Decision Window
Medicare Open Enrollment runs from Oct. 15 through Dec. 7 each year. During that period, members can switch to another Medicare Advantage plan, move to Original Medicare, or choose a standalone Part D drug plan if needed, with changes generally taking effect Jan. 1.
A Second Enrollment Window Tied to Plan Non-Renewal
A plan non-renewal also creates an additional Special Enrollment Period. For a Medicare Advantage or drug plan that isn’t renewed effective Jan. 1, that window runs Dec. 8 through the last day of February, giving affected members extra time to choose another plan beyond the standard enrollment deadline.
Why the Humana Medigap Guaranteed-Issue Window Deserves Special Attention
This may be the most important deadline for some long-time Medicare Advantage members. Federal Medicare rules give beneficiaries a guaranteed-issue right to certain Medigap policies when their Medicare Advantage plan leaves Medicare or stops serving their area, as long as they switch to Original Medicare instead of another Advantage plan. The window opens 60 days before Medicare Advantage coverage ends and closes no more than 63 days afterward.
What Protection This Window Actually Provides
During that protected period, the insurer can’t deny an eligible Medigap policy or raise the price because of past or present health problems, a protection that disappears once the window closes and normal medical underwriting rules typically apply.
Comparing the Entire Package Before Choosing
Staying with Medicare Advantage may appeal to someone who wants bundled coverage, an annual out-of-pocket limit, and possibly extra benefits. Original Medicare generally offers broader provider access, and a Medigap policy can help cover eligible out-of-pocket costs, but Part D would typically need to be purchased separately for prescription coverage.
Why Comparing Premiums Alone Isn’t Enough
Beyond premiums, affected members should check whether their doctors and hospitals participate, whether their prescriptions appear on the new plan’s formulary, what their expected copays and deductibles are, and how much they may end up paying in a bad health year, details that can matter far more than an advertised $0 plan premium.
What This Humana Medigap Guaranteed-Issue Window Means Going Forward
With the Medigap guaranteed-issue window tied directly to the specific coverage-end date in each member’s non-renewal letter, affected beneficiaries should treat confirming that date as an immediate priority once their notice arrives in October. Given that this protection applies only when switching to Original Medicare rather than another Medicare Advantage plan, members drawn to Humana’s roughly 40% recapture effort should weigh that convenience against permanently forfeiting guaranteed-issue Medigap rights if they later want to switch to Original Medicare.
What to Watch Going Forward
As October’s Plan Non-Renewal Notices go out, affected members will want to use the fall enrollment period to compare both another Medicare Advantage plan and the Original Medicare-plus-Medigap route before their guaranteed-issue window closes. Free, unbiased help is available through State Health Insurance Assistance Program counselors, who help Medicare beneficiaries compare coverage without representing an insurance company, a resource that may prove valuable given how much this Humana Medigap guaranteed-issue window decision can affect long-term access to affordable supplemental coverage.
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