More than one million Americans could be forced to choose new health coverage after several major insurers announced significant reductions to their Medicare Advantage offerings for the 2027 enrollment year.
The Medicare Advantage Plan Cuts come as health insurers face rising medical expenses, higher drug costs, and growing pressure on profit margins. Industry leaders say the changes are necessary as operating costs continue to increase across the healthcare system.
UnitedHealth Group and Humana are leading the reductions. Together, the two companies are discontinuing plans that currently serve nearly one million Medicare Advantage members.
UnitedHealth confirmed that about 390,000 members are enrolled in plans that will not continue into 2027. Humana has announced changes affecting approximately 600,000 members.
The reductions are part of a broader industry shift. Analysts reviewing government data have also found that other major insurers are reducing their Medicare Advantage presence in certain markets.
The changes are expected to affect seniors across multiple states as insurers adjust where and how they offer coverage.
UnitedHealthcare said members enrolled in discontinued plans will receive notices explaining their options. Affected individuals will have the opportunity to select another Medicare Advantage plan during the annual enrollment period.
The enrollment window begins on October 15 and continues through December 31 for coverage that starts on January 1, 2027.
Individuals who do not select a new Medicare Advantage plan will automatically return to Original Medicare. Those members will still have additional time to choose another Medicare Advantage option through a special enrollment period that runs until February 28, 2027.
Company executives say the decision reflects growing financial challenges facing the healthcare industry.
UnitedHealthcare President Bobby Hunter said healthcare providers and insurers are dealing with funding pressures, increasing medical costs, higher prescription drug expenses, and greater use of healthcare services.
According to company officials, these factors have increased the cost of providing coverage and forced insurers to reassess their operations.
The changes are not limited to reducing enrollment areas. Insurers are also changing the types of plans they offer.
UnitedHealth is reducing its presence in markets where preferred provider organization plans, often known as PPOs, represent a larger portion of its business.
PPO plans generally give members greater flexibility because they allow care outside a plan’s provider network. However, that flexibility often results in higher operating costs for insurers.
Other companies are moving in a different direction.
Aetna is expanding its health maintenance organization, or HMO, offerings. HMO plans typically require members to use a specific network of doctors and healthcare providers. Because these networks are more controlled, insurers often view them as a lower-cost option.
Humana is also reducing its geographic reach. The company said its Medicare Advantage plans will be available in just over 80% of U.S. counties in 2027. That figure is lower than the approximately 85% of counties it currently serves.
The pullbacks come at a time when Medicare Advantage remains one of the largest segments of the healthcare insurance market.
Government estimates based on insurer feedback project that Medicare Advantage enrollment could fall to around 34 million people in 2027. That would represent a decline of roughly 6% compared with current enrollment levels.
Financial pressures have been building for several years.
Federal regulators recently approved an average Medicare Advantage payment increase of 2.48% for 2027. The adjustment is expected to provide insurers with more than $13 billion in additional payments.
While the increase was larger than an earlier proposal, insurers argue that reimbursement growth still does not fully match the rising cost of care.
Healthcare companies have pointed to growing medical spending, increased use of services, and higher drug prices as major factors affecting profitability.
Industry leaders also note that government payments to Medicare Advantage providers have faced reductions since 2024, adding further pressure to the market.
For seniors enrolled in affected plans, the coming enrollment season will be especially important. Many will need to review available options carefully and compare benefits, provider networks, and costs before selecting coverage for 2027.
As insurers continue adjusting their strategies, the Medicare Advantage Plan Cuts highlight the challenges facing both healthcare companies and the millions of Americans who rely on these plans for coverage.

