Medicare advantage star ratings 2026 are CMS quality scores that rate Medicare Advantage plans on a 1-to-5-star scale, helping beneficiaries evaluate plan quality beyond just the monthly premium. The medicare advantage star ratings 2026 system assigns each plan a score based on quality and performance across up to 38 measures, giving you a standardized tool to compare coverage options and identify which plans deliver real value for your healthcare dollar.
Why Medicare Advantage Star Ratings Exist and Who Calculates Them
Medicare Advantage plans advertise low premiums and all-in-one coverage, but the real measure of a plan's value comes from its CMS Star Rating. The medicare advantage star ratings 2026 system assigns each plan a score from 1 to 5 stars based on quality and performance, giving you a tool to compare plans beyond the monthly cost.1
The Centers for Medicare & Medicaid Services (CMS) created the Star Ratings system to give beneficiaries a standardized way to evaluate plan quality. Before the ratings existed, comparing plans meant digging through dense benefit documents with no consistent benchmark for care quality or customer service.
CMS calculates these ratings annually for every Medicare Advantage contract. The agency evaluates up to 38 quality measures across five broad categories: outcomes, intermediate outcomes, patient experience, access, and process measures.1 A plan earns a rating based on its performance across these measures over a multi-year period.
The 1-to-5-star scale is straightforward: 5 stars means excellent performance, 4 stars means above average, 3 stars means average, 2 stars means below average, and 1 star means poor performance. Plans that earn 4 or more stars qualify for quality bonus payments from CMS, which directly fund enhanced benefits for enrollees.2
For a retiree comparing options, the star rating acts like a restaurant health inspection score — it tells you whether the plan delivers on its promises before you commit to a year of coverage.
What the 2026 Star Ratings Reveal About Plan Quality Trends
The 2026 star ratings show a sector that has plateaued. Overall average ratings remained essentially flat year-over-year, indicating that the industry as a whole has not made meaningful quality improvements.3 This stagnation matters because it means the gap between high-performing and low-performing plans persists.
Consider Centene, one of the largest Medicare Advantage insurers. The company posted an average 3.39 Star rating in 2026, up from 3.14 Stars in 2025 but down significantly from its 3.89 peak in 2022.4 This volatility illustrates a critical point: a plan's brand name or past performance does not guarantee consistent quality. Ratings can swing sharply from year to year.
Oliver Wyman analysts identify difficulty in achieving 4-plus stars as a key 2026 trend, with structural barriers limiting plan-level quality gains.5 For you, this means that plans hovering around 3.5 stars are not necessarily bad options — they may simply face systemic challenges in meeting CMS's increasingly rigorous standards.
The flat trend also means that a plan rated 4.5 stars in 2026 likely represents genuine excellence rather than an inflated score. When the whole market stays flat, the plans that rise above demonstrate real operational discipline.
How CMS Weighs Quality Measures That Matter to Your Out-of-Pocket Costs
Not all quality measures carry equal weight in the star calculation. For 2026, CMS weights customer experience and access measures at approximately 57% of the overall star calculation.1 This means how a plan treats you day-to-day matters more than clinical outcomes alone.
The customer experience category includes measures like getting appointments and care quickly, customer service responsiveness, and how well the plan communicates about benefits. Access measures evaluate whether members can see specialists and get needed care without excessive delays.
These weighted measures directly affect your wallet. A plan that scores high on customer experience typically processes claims faster, resolves billing errors more efficiently, and helps you navigate prior authorization requirements. Each of these operational strengths reduces your administrative burden and potential out-of-pocket costs.
For example, suppose you need a knee replacement. A plan with strong access scores will have shorter wait times for specialist referrals and fewer denied prior authorization requests. That translates to less time in pain and fewer surprise bills. A plan with poor access scores might save you $30 per month on premiums but cost you weeks of delayed care and hundreds in disputed charges.
Why a 4-Star Plan May Not Beat a 3.5-Star Plan for Your Specific Needs
A plan's overall star rating is an average of many measures, and your personal healthcare needs may not align with what the plan does best. A 4-star plan might excel in chronic care management but have a narrow network that excludes your preferred primary care physician. A 3.5-star plan might have mediocre customer service scores but include your exact drug list at lower copays.
Plan B's lower rating reflects average customer service, but its drug formulary covers all three of Sarah's medications as preferred brand-name drugs with copays of around $10 per prescription1.
For Sarah, Plan B delivers better financial outcomes despite its lower star rating. The star rating tells her about overall plan quality, but it does not tell her whether her specific drugs are covered or whether her doctors are in network.
The CMS star rating is a starting point, not a final answer. Use it to identify high-quality plans, then verify that those plans match your personal healthcare pattern — your doctors, your medications, your expected procedures.
The Bonus Payment Connection: How Star Ratings Fund Your Extra Benefits
Plans that earn 4 or more stars receive quality bonus payments from CMS.2 These payments are not small — they represent a significant revenue stream that plans use to fund enhanced benefits like dental, vision, and hearing coverage, as well as reduced out-of-pocket limits.
The logic is straightforward: CMS rewards high-quality plans with additional funding, and those plans pass the savings to enrollees through better benefits. When you choose a 4-star or 5-star plan, you are not just getting better care quality — you are getting a plan that has more financial resources to invest in your coverage.
For 2026, this connection matters more than ever. With overall ratings flat, the plans that achieve 4-plus stars have demonstrated genuine operational excellence. Their bonus payments translate into tangible benefits: lower maximum out-of-pocket limits, coverage for routine dental cleanings, annual eye exams with glasses allowances, and hearing aid benefits.
A 3-star plan cannot offer the same level of enhanced benefits because it does not receive the bonus payments. The difference in out-of-pocket exposure between a 4-star plan and a 3-star plan can easily exceed $1,000 per year in dental and vision costs alone1.
Red Flags to Watch When Comparing Plans with Similar Star Scores
When two plans share the same star rating, the rating alone cannot tell you which one is better. You need to dig into the component measures and plan details.
First, check the plan's performance on the "improvement measures" category. A plan that maintained a 4-star rating for three consecutive years is more reliable than a plan that bounced from 3 stars to 4 stars in a single year. The 2026 star ratings incorporate data from contract years 2022 through 2024, meaning recent improvements take years to show up in the score.1 A plan that just improved may be a better bet next year than this year.
Second, examine the plan's network adequacy scores. A plan can have a high overall rating but poor access to specialists in your geographic area. CMS publishes network adequacy data separately from star ratings, and you should cross-reference both.
Third, look at the plan's appeals and complaints data. A plan with a high star rating but a high rate of denied appeals may be gaming the system — providing good service to most members but failing those who need expensive care. The CMS complaint tracking system is a free resource that shows how often members file grievances against each plan.
Fourth, verify the drug formulary tier structure. Two plans with identical star ratings can have completely different cost-sharing for the same medication. A plan that places your drug on a preferred tier with a $10 copay is better than a plan that places it on a non-preferred tier with a $50 copay, regardless of star rating.
Step-by-Step: Using CMS Tools to Match Plan Ratings to Your Healthcare Use
CMS provides free online tools that let you compare star ratings alongside plan benefits and costs. Here is how to use them effectively.
Step one: Go to the Medicare Plan Finder at Medicare.gov. Enter your zip code and list your current medications and preferred doctors. The tool will show all available Medicare Advantage plans in your area.
Step two: Sort the results by star rating. Identify all plans with 4 stars or higher. These are the plans that qualify for quality bonus payments and likely offer the best enhanced benefits.
Step three: For each high-rated plan, click through to view the detailed star rating breakdown. Look at the individual measure scores for member experience, access to care, and chronic condition management. A plan that scores 5 stars on chronic care management is ideal if you have diabetes or heart disease.
Step four: Cross-reference the plan's drug formulary with your medication list. The Plan Finder tool shows estimated annual drug costs for each plan. A 4.5-star plan that costs, for example, $1,200 more in drug copays is not a better deal than a 4-star plan that covers your drugs at lower tiers.
Step five: Check the plan's provider directory to confirm your doctors are in network. CMS requires plans to maintain accurate directories, but you should call your doctor's office directly to verify participation.
Step six: Compare the maximum out-of-pocket limits. A 5-star plan with a $4,000 MOOP is better than a 4-star plan with a $6,700 MOOP, even if the 4-star plan has a lower monthly premium.
Your Next Step
Open the Medicare Plan Finder at Medicare.gov today and run a comparison of all Medicare Advantage plans available in your county. Sort by star rating and identify every plan rated 4 stars or higher. Then, for the top three plans, verify your drug list and doctor network using the tool's built-in checkers. Write down the maximum out-of-pocket limit for each plan. This 30-minute exercise will show you exactly which high-quality plans match your personal healthcare needs — and which ones to avoid despite their low premiums.
Footnotes
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https://www.cms.gov/files/document/2026-star-ratings-fact-sheet.pdf ↩ ↩2 ↩3 ↩4 ↩5 ↩6 ↩7 ↩8
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https://greenspacehealth.com/en-ca/mastering-cms-medicare-star-ratings-a-strategic-guide-for-medicare-advantage-leaders ↩ ↩2 ↩3 ↩4
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https://www.modernhealthcare.com/insurance/mh-medicare-advantage-ratings-2026-bcba-clover-health ↩
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https://www.healthscape.com/insights/early-look-2026-medicare-advantage-stars-ratings-stabilize-without-meaningful-improvement ↩
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https://www.oliverwyman.com/our-expertise/perspectives/health/2025/oct/how-plans-can-win-as-medicare-advantage-star-ratings-change.html ↩
