Are Star Ratings a Mirror or a Steering Wheel?
- Candice Williams
- Jun 1
- 3 min read
Clover Health's lawsuit against HHS raises a question that goes well beyond a technical dispute over measures: are Medicare Star Ratings simply a mirror that reflects performance, or have they become a steering wheel that directs the system itself? Much of the industry still treats Star Ratings as a measurement tool. Clover, however, appears to be arguing that the program now does more than measure outcomes—it shapes priorities, influences behavior, and helps determine where financial rewards flow. That distinction matters because, once a measurement system begins steering the market, debates about what is included and who defines it are no longer merely methodological. They become questions about how healthcare is being directed.
Seen this way, Clover is not just challenging the formula; it is challenging the role the formula plays in shaping the system. The deeper issue is whether CMS has been using measurement as a way to indirectly regulate areas it does not explicitly control. If that argument gains traction, even in part, it forces a difficult question: where is the line between measuring quality and engineering the system?
That question matters because Star Ratings currently do all of those things at once. They measure performance, shape organizational priorities, and redistribute financial outcomes. In practice, the program does not need to tell plans explicitly to improve patient experience or emphasize certain aspects of care. Plans infer those priorities from the weighting of measures, the scoring methodology, and the financial return attached to better results. In that sense, Star Ratings do not simply reward quality after the fact; they create economic gradients that push behavior across the market.
This represents a significant philosophical shift. Traditionally, healthcare regulation focused on safety, clinical effectiveness, and compliance. Star Ratings introduced something broader: a system that not only evaluates whether care is safe and effective, but also shapes how care is experienced. That expansion turns the definition of quality into more than a clinical concept. It becomes a policy tool.
And once quality becomes a policy tool, control over that definition becomes a question of authority, not just methodology. This is what makes the delegation issue more consequential than it first appears. The concern is not simply whether CMS relied too heavily on NCQA or another external entity. The real question is whether quasi-private organizations should have influence over how billions of dollars are distributed and how care delivery is shaped nationwide.
At its deepest level, the case challenges the assumption that a single composite score can function equally well as both a measurement tool and a policy lever. Those two goals are not always aligned. A strong measurement system seeks accuracy and faithful representation. A strong policy lever seeks behavior change. When the two are combined, the result may be directionally useful and economically powerful, but not always a pure reflection of reality.
That is why the mirror-versus-steering-wheel distinction is so important. If Star Ratings are truly only a mirror, then the debate is largely about technical validity. But if they have become a steering wheel, then the debate is also about governance, authority, and the extent to which measurement systems should shape the healthcare market. Clover’s challenge matters because it forces that broader issue into the open.
Read more on this lawsuit: Clover beats CMS in Medicare Advantage star ratings lawsuit - Becker's Payer Issues | Payer News
As Medicare Advantage organizations evaluate the implications of this ruling and other industry changes, now is the time to assess whether your current operating model is built for what's next.
Rebellis Group partners with health plans to navigate complexity across quality, Stars, risk adjustment, operations, compliance and performance improvement.
Comments