The ratings determine which insurers qualify for bonus payments
In the ongoing negotiation between public accountability and private enterprise, Elevance Health has taken the Centers for Medicare & Medicaid Services to court over the methodology used to score Medicare Advantage plans — a system that quietly governs the financial rewards insurers receive and the benefits millions of older Americans depend upon. The dispute is, on its surface, a mathematical one, but beneath it lies a deeper question about who holds the authority to define quality in American healthcare, and at what cost to those the system is meant to serve. With 2027 benefit decisions already in motion, the lawsuit arrives not as an abstraction but as a force already shaping the landscape of coverage for more than 28 million seniors.
- Elevance Health, one of the country's largest insurers, has sued CMS over a recalculation of Medicare Advantage star ratings that could strip the company of hundreds of millions in annual bonus payments.
- The star rating system is not merely a scorecard — it determines which plans seniors choose, which insurers thrive, and what benefits get offered, making any methodological shift a high-stakes financial and human event.
- Insurers are already making 2027 benefit decisions based on expected ratings, meaning the uncertainty created by this lawsuit is not a future problem but a present disruption rippling through coverage design right now.
- If the new methodology stands, some seniors could face higher premiums, narrower provider networks, or the outright disappearance of their preferred plans from their region.
- The case reflects a deepening standoff between CMS — which argues ratings must grow more rigorous to remain meaningful — and an industry that says constantly shifting standards make strategic planning impossible.
Elevance Health, one of the nation's largest health insurers, has filed a federal lawsuit against the Centers for Medicare & Medicaid Services, challenging the agency's recalculation of star ratings for Medicare Advantage plans. These ratings are far more than a quality signal — they determine which insurers qualify for substantial federal bonus payments and heavily influence which plans seniors select when comparing their options. For Elevance and its peers, those bonuses can reach hundreds of millions of dollars annually.
At the heart of the complaint is a dispute over methodology. Elevance argues that CMS's revised approach to computing the ratings is flawed or unfair, and the outcome carries significant consequences either way: a loss for Elevance would entrench the new system and potentially lower the company's scores, while a victory could force CMS to revert to its prior formula or construct an entirely new one.
The timing sharpens the stakes. Insurers are already making decisions for the 2027 benefit year — setting premiums, designing networks, and determining which services to cover — based on assumptions about their expected ratings. A sudden methodological shift mid-course forces a costly recalibration.
For the more than 28 million seniors enrolled in Medicare Advantage, the lawsuit's resolution is not a distant abstraction. Depending on how the ratings ultimately fall, beneficiaries could face higher out-of-pocket costs, reduced benefits, or plans withdrawing from their markets entirely. Others might see new options emerge if the recalculation favors different plan designs.
The case also illuminates a broader tension that has been building for years. CMS has steadily tightened its star rating standards, arguing that the system must evolve to hold plans genuinely accountable. Insurers counter that perpetually shifting criteria make long-term planning untenable. Elevance's lawsuit is not the first of its kind, but it arrives as Medicare Advantage has grown to cover more than half of all Medicare beneficiaries — and as scrutiny from regulators, lawmakers, and patient advocates over whether plans deliver on their promises has never been more intense. The legal process will likely unfold over months or years, but the decisions it influences are being made today.
Elevance Health, one of the nation's largest health insurers, has filed suit against the Centers for Medicare & Medicaid Services over how the agency calculates star ratings for Medicare Advantage plans. The lawsuit centers on a recalculation of these ratings—a move that could reshape the financial incentives driving how insurers structure their plans and what benefits they offer to millions of older Americans starting in 2027.
Star ratings are the currency of Medicare Advantage. The Centers for Medicare & Medicaid Services uses them to score plan quality across dozens of metrics: how quickly doctors see patients, whether preventive care gets delivered, customer satisfaction, and dozens of other measures. These ratings determine which insurers qualify for bonus payments—extra federal dollars that reward high performance. For Elevance and its competitors, those bonuses can amount to hundreds of millions of dollars annually. The ratings also influence which plans seniors choose, since the star system is prominently displayed in Medicare's plan comparison tools.
Elevance's complaint challenges the methodology behind CMS's recent recalculation. The insurer argues that the agency's revised approach to computing these ratings is flawed, unfair, or both. The specifics of the mathematical dispute matter less than what hangs in the balance: if Elevance loses, the new rating system stands, potentially lowering the company's scores and reducing its eligibility for bonus payments. If Elevance wins, CMS may be forced to revert to the previous methodology or devise a new one altogether.
The timing is significant. Any changes to how ratings are calculated take effect in 2027, when Medicare Advantage plans renew their contracts with CMS and set their benefit packages for the coming year. Insurers make decisions about which services to cover, what copayments to charge, and which doctors and hospitals to include in their networks based partly on their expected star ratings and bonus payments. A sudden shift in the rating formula could force them to recalibrate those decisions mid-course.
For the roughly 28 million seniors enrolled in Medicare Advantage plans—more than half of all Medicare beneficiaries—the lawsuit's outcome could ripple through their coverage in tangible ways. If the new rating system penalizes certain types of plans or certain insurers, some seniors might face higher premiums, narrower networks, or reduced benefits. Others might find their preferred plans withdrawing from their area altogether. Conversely, if the recalculation rewards different insurers or plan designs, seniors could see new options emerge or existing plans expand their offerings.
The lawsuit also signals broader tension between CMS and the Medicare Advantage industry over how aggressively the agency should police plan quality. Star ratings have become more stringent over time, and CMS has periodically adjusted the methodology to better capture plan performance. Insurers argue that constantly moving the goalposts makes it impossible to plan strategically. CMS counters that the ratings must evolve to remain meaningful and to hold plans accountable to beneficiaries.
Elevance's legal challenge is not the first of its kind, but it arrives at a moment when Medicare Advantage has become central to how the federal government delivers health coverage to seniors. The industry has grown dramatically over the past decade, and with that growth has come increased scrutiny from regulators, lawmakers, and patient advocates concerned about whether plans are delivering on their promises. The lawsuit will likely take months or years to resolve, but the stakes are immediate: the 2027 benefit year is already being shaped by decisions insurers are making now, based on assumptions about what their star ratings will be.
Citações Notáveis
Star ratings are the currency of Medicare Advantage, determining which insurers qualify for bonus payments and influencing which plans seniors choose— CMS methodology
A Conversa do Hearth Outra perspectiva sobre a história
Why does a change in how CMS calculates star ratings matter so much to an insurer like Elevance?
Because those ratings directly determine how much money the company makes. Better ratings unlock bonus payments—hundreds of millions of dollars. But more than that, the ratings influence which seniors choose their plans. A sudden drop in ratings could mean fewer enrollees, which means less revenue.
So Elevance is suing because it thinks the new calculation method is unfair to them specifically?
That's the claim. But it's also about predictability. Insurers design their entire business around expected ratings. If CMS changes the formula mid-game, plans have to scramble to adjust their benefits, networks, and pricing. That's expensive and disruptive.
What happens to seniors if Elevance wins the lawsuit?
If the old rating method stays in place, things probably don't change much for 2027. But if Elevance loses and the new method stands, some plans might cut benefits or raise premiums to offset lower bonus payments. Other plans might expand if they benefit from the new formula.
Is this just one company's complaint, or is there a broader industry concern?
Elevance is the one in court, but the tension is industry-wide. Insurers feel like the rules keep changing. CMS feels like it needs to keep tightening standards to hold plans accountable. This lawsuit is where that friction becomes visible.
How many people could actually be affected?
About 28 million seniors are in Medicare Advantage plans. Any significant shift in how plans are rated or rewarded could change what coverage options they have, what they pay, or what doctors they can see. The impact could be enormous.
When will we know the outcome?
These cases take time. But the real deadline is 2027, when plans have to finalize their benefit packages. If the lawsuit isn't resolved by then, insurers will have to make decisions under uncertainty—which usually means they play it safe and cut back.