Medicare Advantage Pullback in 2026: Insurers Cut Plans Across 1,949 Counties

Why Insurers Are Retreating From Medicare Advantage in 2026

Medicare Advantage, the private insurance alternative to traditional Medicare, is undergoing a significant contraction for 2026. Multiple major insurers—including UnitedHealthcare, Aetna-CVS Health, Blue Cross Blue Shield, and Anthem—have announced they will reduce the number of plans they offer and the markets they serve. According to KFF's analysis of Centers for Medicare & Medicaid Services data, 1,949 US counties will lose at least one Medicare Advantage plan in 2026, while 798 counties will gain at least one. The changes will force many of the 35.2 million Americans enrolled in Medicare Advantage to find new coverage.

The pullback stems from a fundamental mismatch between costs and payments. Insurers say that new Medicare Advantage enrollees are sicker and have more chronic conditions than those in traditional Medicare, requiring more frequent and expensive care. At the same time, they argue that government payment rates—despite a projected 5.06% average increase for 2026—haven't kept pace with rising drug and hospital prices. Blue Cross Blue Shield stated that this dynamic results in "fewer choices, reduced benefits, and higher costs for members."

The impact varies dramatically by geography. Less densely populated rural and suburban counties tend to lose plans because insurers see "mediocre enrollment and high use of the plan," according to Medicare broker Brian Cronin. In contrast, areas with large senior populations like Florida tend to retain robust competition. Some insurers, including Humana and Devoted Health, are actually expanding their total plan offerings nationwide, creating a mixed landscape where some beneficiaries gain options while others lose them.

For affected beneficiaries, the immediate concern is navigating the changes. Insurers must send notices by September 30 outlining any plan changes effective in January. Medicare Open Enrollment runs from October 15 to December 7, 2026, during which beneficiaries can select a new Medicare Advantage plan or switch to Original Medicare. A second enrollment period from January 1 to March 31, 2027, provides another opportunity to make changes. Those who don't act may be automatically enrolled in Original Medicare—potentially without prescription drug coverage unless they secure a Part D plan.

The Geography of Medicare Advantage Cuts: Who Wins, Who Loses

Why Rural Counties Bear the Brunt of Medicare Advantage Cuts

The geography of the Medicare Advantage pullback reveals a stark pattern: insurers are retreating from areas where they cannot achieve profitable scale. As broker Brian Cronin explained, Medicare Advantage plans perform well in markets like Florida with dense senior populations that generate consistent enrollment volume. In contrast, rural and suburban counties often see "mediocre enrollment and high use of the plan," which pushes insurers into the red. This dynamic explains why 1,949 counties are losing plans while more populous markets retain options.

The situation in Minnesota illustrates the human cost of these calculations. UCare, a nonprofit health plan serving the state since 1998, is terminating Medicare Advantage coverage, affecting 158,000 beneficiaries. Kelli Jo Greiner, director of Minnesota's State Health Insurance Assistance Program, described "a great deal of panic and uncertainty" among enrollees who don't understand why their trusted plan is disappearing. Compounding the problem, Greiner noted that providers are also pulling out of plans due to dissatisfaction with prior authorization processes and claim reimbursement procedures.

The Payment Rate Debate: Insurers vs. CMS

At the heart of the contraction is a disagreement over whether government payments are adequate. CMS projected an average 5.06% increase in Medicare Advantage payments for 2026, but insurers argue this is insufficient. Blue Cross Blue Shield stated that "payment rates haven't kept pace with rising drug and hospital prices," resulting in reduced benefits and higher member costs. The insurers' position is that they are caught between rising utilization from sicker enrollees and payment increases that don't cover the cost of care.

This tension reflects broader structural challenges in Medicare Advantage. The program was designed to incentivize private insurers to manage care efficiently, but the risk-adjustment model that determines payments has faced scrutiny for years. If insurers are correct that new enrollees are sicker than traditional Medicare beneficiaries, the program's economics may be fundamentally misaligned with its current population.

Winners and Losers in the 2026 Medicare Advantage Market

Not all insurers are retreating. Humana and Devoted Health are increasing their total Medicare Advantage plan offerings nationwide, suggesting they see opportunities in markets abandoned by competitors or have different cost structures that make the economics work. For beneficiaries, the winners are those in high-population areas like Florida where competition remains robust and plan options are plentiful. The losers are concentrated in rural counties and states like New Hampshire, where Cronin noted "there's just not a lot of choice," and Minnesota, where UCare's exit leaves 158,000 people scrambling.

For context, the Medicare Advantage market has grown rapidly over the past decade, reaching 35.2 million enrollees as of March 2026—up about 1.1 million year over year. This growth attracted insurers seeking new revenue, but the current pullback suggests that expansion may have outpaced the program's payment structure. The counties gaining plans are likely those where remaining insurers see sufficient population density and favorable risk profiles to operate profitably.

What the Cuts Mean for Providers and Beneficiaries

The provider network disruptions add another layer of complexity. Greiner noted that in Minnesota, providers are withdrawing from Medicare Advantage plans because they dislike the prior authorization and reimbursement processes. This creates a compounding effect: beneficiaries who find a new plan may discover their preferred doctors are no longer in network, forcing them to choose between changing providers or accepting out-of-network costs.

For beneficiaries whose plans are canceled, the situation creates both risk and opportunity. The risk is ending up in Original Medicare without Part D drug coverage, forcing them to pay full price for prescriptions. The opportunity is that cancellation triggers a guaranteed-issue window for Medigap supplemental insurance, allowing beneficiaries to obtain coverage without medical underwriting—a significant advantage for those with pre-existing conditions who might otherwise be denied.

What Medicare Beneficiaries Must Do Before December 7

If your Medicare Advantage plan is being discontinued, the most important action is to secure replacement coverage during open enrollment (October 15 – December 7, 2026) to avoid automatic enrollment in Original Medicare without drug coverage.

Here is what affected beneficiaries should do:

• Check your insurer notice by September 30. This letter outlines whether your current plan will continue in 2026 and any changes to benefits, premiums, or networks.
• Use the Plan Finder tool on Medicare.gov to see which Medicare Advantage plans are available in your county. Compare premiums, deductibles, co-pays, drug formularies, and provider networks—not just the monthly premium.
• If your plan is canceled, you qualify for guaranteed-issue Medigap during open enrollment. This means you can buy supplemental insurance without medical underwriting, even with pre-existing conditions. This is a time-limited opportunity that typically isn't available after you're already on Medicare.
• Consider Medicare Cost Plans if available in your state. These hybrids allow you to see out-of-network providers at reasonable cost, which may help if remaining Medicare Advantage plans have narrow networks or exclude your doctors.
• If you don't enroll in a new plan before your current one ends, you'll be automatically enrolled in Original Medicare. You would then need a standalone Part D drug plan to avoid paying full price for prescriptions. A special enrollment period for non-renewing plans runs from December 8 through the end of February.
• Contact your local SHIP (State Health Insurance Assistance Program) or a licensed Medicare broker for free counseling. Brokers sell plans from multiple insurers and can help you compare options; captive agents represent only one company.

Metrics to watch: CMS's final 2026 payment rates, insurer plan filings for 2027, and whether provider networks stabilize in affected markets like Minnesota and New Hampshire.