Medicare Advantage Gaps Widen as Plans Exit More US Counties
The number of counties with zero Medicare Advantage options will nearly triple in 2027, leaving millions of seniors with fewer choices.
A quiet but consequential shift is reshaping the Medicare landscape ahead of open enrollment: the number of counties with no Medicare Advantage plans available will surge to 181 in 2027, up sharply from 67 in 2026. That near-tripling of coverage deserts signals accelerating insurer withdrawal from markets they no longer find financially viable, and it arrives at a moment when millions of older Americans have come to depend on these private Medicare alternatives.
Medicare Advantage plans, which are offered by private insurers as an alternative to traditional government-run Medicare, have grown enormously popular over the past decade, drawing beneficiaries with lower out-of-pocket costs, bundled benefits, and extras like dental and vision coverage. But the economics underpinning that growth have grown strained. Insurers have cited rising medical utilization costs and tighter federal reimbursement rates as reasons for scaling back their geographic footprints, particularly in rural and lower-density markets where enrollee pools are thin.
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The practical stakes for affected seniors are significant. A beneficiary living in one of those 181 counties will face a binary choice during open enrollment: remain in traditional fee-for-service Medicare, potentially without supplemental Medigap coverage they can easily afford, or travel significant distances to access care networks tied to plans available in neighboring counties. Neither option is straightforward, and the burden falls disproportionately on older, less mobile, and lower-income populations in rural America.
From a policy perspective, the expansion of coverage gaps raises questions about whether the Medicare Advantage program's structural incentives — designed to bring competition and efficiency to senior healthcare — are functioning as intended in geographically diverse markets. Regulators and lawmakers may face increasing pressure to revisit reimbursement formulas or introduce backstop coverage requirements to prevent further hollowing out of options in underserved areas. The trajectory from 67 counties in 2026 to 181 in 2027 suggests that absent intervention, the trend is unlikely to reverse on its own.
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