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Illustration for: Medicare Star Ratings: What 5 Stars Means for Your Plan
Medicare Advantage

Medicare Star Ratings: What 5 Stars Means for Your Plan

Written by My65 Playbook Editorial Team

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If you are looking for information on Medigap plans, this article is not for you; see articles about Medicare Supplement plans instead.

Medicare Star Ratings help you compare the quality and performance of Medicare Advantage plans (also known as Medicare Part C plans). These ratings, from 1 to 5 stars, are assigned annually by Medicare, with 5 stars showing the highest quality. They cover many aspects of a plan’s operation and member care.

Key takeaways

  • Medicare Star Ratings evaluate Medicare Advantage plans on a scale of 1 to 5 stars, with 5 being the top score.
  • Ratings cover areas like member satisfaction, health outcomes, customer service, and drug safety.
  • These ratings are updated yearly by Medicare and can change over time.
  • A 5-star plan may allow you a Special Enrollment Period to switch plans during most of the year.
  • Star Ratings are a helpful guide but should not be your only factor when choosing a plan.

What are Star Ratings?

Medicare uses a Star Rating system to measure the quality of Medicare Advantage (Part C) plans and Medicare Part D (prescription drug) plans. These ratings help you compare plans based on how well they perform. Plans are rated from 1 to 5 stars, where 5 stars represent excellent performance.

The aim is to help you easily compare plans. This way, you can select one that aligns with your healthcare needs. These ratings serve as a standardized system. It provides a common language for plan quality across different insurers.

These ratings are issued by the Centers for Medicare & Medicaid Services (CMS), the federal agency that runs Medicare. They are designed to give you clear, easy-to-understand information. Medicare updates these Star Ratings every fall, usually in October. This allows you to use the most current information when choosing a plan for the next year. The annual update ensures the information remains relevant and reflects current plan performance.

What do Star Ratings measure?

Medicare Advantage plans are evaluated across more than 40 different quality and performance measures. These measures fall into five main categories. They cover various aspects of health care and member experience.

The categories include how well a plan manages chronic conditions and how often members get important preventive screenings. They also look at how quickly members receive necessary medical care. Additionally, the ratings consider how plans handle member complaints and appeals.

For example, under 'Staying Healthy,' measures include how many members receive important screenings like mammograms or flu vaccinations. In 'Managing Chronic Conditions,' the focus is on how well a plan helps members manage conditions like diabetes or high blood pressure. 'Member Experience' includes ratings on how easy it is to get appointments and how happy members are with their doctors.

Plans are also judged on their customer service and how easy it is for members to get help. The Centers for Medicare & Medicaid Services (CMS) also assesses drug safety and accuracy in pricing for plans that include prescription drug coverage. These combined factors give a comprehensive view of a plan's performance.

How are Star Ratings calculated?

Medicare gathers data from various sources to calculate Star Ratings for each plan. This includes surveys from plan members, information from doctors and health care providers, and the plan’s own data. Member surveys ask about their experiences with the plan and their access to care.

Plans are measured on dozens of individual items, and each is given a score. These scores are then grouped into the five main categories, which receive different weights. Some categories, like health outcomes and member experience, carry more weight in the overall star calculation. The highest rating a plan can achieve is 5 stars.

CategoryWhat it measures
Staying HealthyHow often members get preventive care and screenings
Managing Chronic ConditionsHow well plans help members manage long-term health issues
Member ExperienceMember satisfaction with care and services
Plan AdministrationHow well the plan handles appeals and customer service
Drug SafetyAccuracy and safety of prescription drug coverage
40+
measures evaluated for MA plans
Source: medicare.gov
Over 40 different measures contribute to a plan's Star Rating, covering a wide range of quality indicators.

The weighting means that areas like a plan's ability to keep members healthy and manage their existing conditions count more heavily. Customer service and handling complaints are also key parts. This system ensures that plans are not just rated on administrative efficiency. They are also rated on the real-world impact on members' health and happiness.

Each measure has a specific target or benchmark for performance. Plans that meet or exceed these benchmarks earn higher scores. The final overall star rating is a weighted average of these category scores. This careful process ensures that the Star Ratings reflect a plan's overall quality. The ratings aim to be a dependable tool for beneficiaries. They help you make informed decisions about your health coverage. This detailed evaluation provides a snapshot of a plan's performance.

What doesn't a Star Rating tell you?

While Star Ratings are valuable, they do not tell you everything about a Medicare Advantage plan. They don't directly tell you about specific costs like monthly premiums or deductibles. They also do not detail the exact out-of-pocket maximum a plan may have. You will need to check the plan's specific details for this financial information.

  • Specific Costs (premiums, deductibles)
    Star Ratings do not reflect individual plan costs.
  • Doctor Network Inclusion
    The rating doesn't tell if your specific doctors are in network.
  • Customized Benefits
    It won't show if a plan perfectly matches your unique needs.
  • Prior Authorization Details
    Star Ratings do not detail specific approval processes for services.
While helpful, Star Ratings don't cover everything. Always check plan details like costs and doctor networks.

For example, a high rating does not confirm if your current doctors are in the plan's network. You should always verify this directly. You can learn more about this process by reviewing how to go about verifying-your-doctors-in-a-medicare-advantage-plan-network. Also, it doesn't give specific details about how easy or difficult it might be to get approvals for certain medical services, often called medicare-advantage-prior-authorization-in-2026-rules-and-denials.

Star Ratings also cannot tell you how well a plan will fit your personal health situation. Your unique medical needs and preferences are not reflected in a general rating. What works well for one person might not be ideal for another. Always review a plan's full benefits and network details.

For instance, if you have a rare condition, the plan's specific coverage for that condition may be more important than its overall star rating. Similarly, if you value certain non-medical benefits, like gym memberships or healthy food allowances, the star rating won't tell you how robust those specific benefits are. It is crucial to compare plans based on your individual health profile and budget. This ensures you find coverage that truly supports your specific needs.

Why are Star Ratings important for you?

Star Ratings are an important tool when you are comparing Medicare Advantage plans. They give you a quick way to see how other members rate their plans and how well the plan provides care. A higher rating suggests a plan has a strong record of quality and member satisfaction.

Another significant benefit is that plans with an overall 5-star rating offer a special enrollment opportunity. If you find a 5-star Medicare Advantage plan, you can switch to it once between December 8 and November 30 of the following year. This is called the 5-star Special Enrollment Period (SEP).

This Special Enrollment Period offers a unique chance. It lets you move to a plan recognized for excellent service and care. This can be especially useful if you are unhappy with your current plan. Or if you simply wish to take advantage of a newly available 5-star option. It underscores Medicare's commitment to quality. This allows beneficiaries to seek out high-performing plans even mid-year. Remember, you can only use this SEP once per calendar year.

How to use Star Ratings to choose a plan

When choosing a Medicare Advantage plan, start by looking at the Star Ratings on Medicare.gov. Plans with 4 or 5 stars generally show a higher level of quality and member satisfaction. This can be a good starting point for narrowing your options.

Action StepWhat to do
Check Star RatingsLook for plans with 4 or 5 stars on Medicare.gov
Review CostsCompare premiums, deductibles, and out-of-pocket limits
Verify DoctorsEnsure your preferred doctors are in the plan's network
Check BenefitsSee if the plan covers your specific health needs and services
Read Member ReviewsLook for feedback from current and past members
Understand Drug CoverageCheck the plan's formulary for your medications

Next, always consider your personal health care needs. Make a list of your preferred doctors and hospitals. Then, ensure they are part of any plan's network you are considering. Review the plan's benefits carefully to see if they cover your specific health conditions or needs.

This step is vital. A highly-rated plan is only effective if it includes your preferred healthcare providers. Imagine finding a plan with 5 stars but your trusted primary care physician is not in its network. That plan might not be right for you. Always confirm provider inclusion. This helps avoid disruptions to your ongoing care.

  • Your doctors in network
    Confirm your specific providers are included.
  • Your prescriptions covered
    Check the formulary for your medications.
  • Your preferred benefits
    Dental, vision, fitness, or other important extras.
  • Your budget considerations
    Compare premiums, deductibles, and out-of-pocket limits.
Beyond Star Ratings, prioritize your personal health needs, provider network, and prescription coverage.

Look at the plan's formulary, which is its list of covered prescription drugs. Make sure your current medications are included and understand the costs. Compare the monthly premiums, deductibles, and out-of-pocket maximums. A higher star rating doesn't always mean the plan is the most affordable or the most suitable fit for your budget.

It is important to check the specific tier your drugs fall into. Lower tiers generally mean lower costs. Also, consider the managing-high-drug-costs-the-medicare-prescription-payment-plan if you anticipate high drug costs. This plan can help spread out your payments. Understanding these details helps you budget for your prescriptions.

Think about what types of extra benefits, like dental, vision, or fitness programs, are important to you. Many Medicare Advantage plans offer these. Compare how different plans provide these benefits.

Some plans might offer robust dental coverage, while others might focus more on fitness or over-the-counter allowances. These benefits can significantly enhance your quality of life. They can also help reduce your out-of-pocket spending on routine care. Evaluate which extra benefits matter most to you. Then, look for plans that offer a strong version of those benefits.

Finally, remember that plans vary by location and carrier. A plan with a high Star Rating in one area might not be available or have the same benefits elsewhere. Always verify information for your specific zip code. You can compare the overall structure of different plan types to see which aligns better with your health care preferences.

What might be a 5-star plan in one county could be a 3-star plan or not offered at all in an adjacent county. This is because plan networks, benefit structures, and even the local healthcare provider landscape can differ greatly. Always input your specific zip code on Medicare.gov. This ensures you are viewing plans and ratings relevant to your area. Using Star Ratings as one piece of your research helps you make a confident decision. This helps you choose a plan that meets your needs.

Who assigns Star Ratings?

The Centers for Medicare & Medicaid Services (CMS) is the federal agency responsible for assigning Star Ratings. CMS conducts a thorough evaluation of all Medicare Advantage and Part D plans each year. They collect data from many sources to ensure the ratings are accurate and fair.

The process involves gathering data from member surveys, which reflect how satisfied beneficiaries are with their plan. It also includes information on how well plans manage care and prevent illness. CMS analyzes data submitted by plans themselves. This includes details on quality improvement activities and customer service metrics. This comprehensive data collection makes the Star Ratings a reliable indicator of plan performance.

CMS uses a standardized system to evaluate plans across the country. This ensures consistency and allows for meaningful comparisons. The ratings are publicly available on Medicare.gov. This transparency helps beneficiaries make informed choices.

How often do ratings change?

Medicare Star Ratings are updated annually. Each fall, typically in October, CMS releases the new ratings for the upcoming plan year. This means a plan's rating can change from one year to the next.

  1. Annual Release
    October
    New Star Ratings released for the upcoming plan year.
  2. Plan Year Starts
    January 1
    New plan benefits and ratings take effect.
Star Ratings are updated every year, reflecting ongoing plan performance and improvements or declines in quality.

A plan that had 4 stars one year might earn 5 stars the next, or its rating could decrease. These annual updates reflect changes in plan performance and member experience. It's important to check the most recent ratings when you are choosing or reviewing your plan options. This helps ensure you have the most current information available.

Plans constantly work to improve their services. They aim to achieve higher ratings. A plan might invest in better care coordination programs. Or they might improve their customer support. Conversely, a plan's rating could drop if its performance declines in key areas. For example, if member complaints increase. Or if it fails to meet health outcomes goals. This dynamic nature means you should always check the latest ratings before making enrollment decisions.

What is a 5-star plan?

A 5-star plan is a Medicare Advantage plan that has achieved the highest possible quality rating from Medicare. It signifies excellent performance across all evaluated categories. These plans generally have high marks for customer service, health outcomes, and member satisfaction.

5 Stars
Highest quality rating for Medicare plans
Source: medicare.gov
Achieving a 5-star rating means a plan has met Medicare's highest standards for quality and member experience.

These plans excel in helping members stay healthy and manage chronic conditions. They also provide outstanding member service. This includes how quickly calls are answered and how effectively issues are resolved. A 5-star plan demonstrates a consistent commitment to member well-being and satisfaction.

Such a plan works well for many beneficiaries. Its high rating reflects a robust healthcare delivery system. It also shows a strong focus on the patient experience. As mentioned, these plans also offer the benefit of a Special Enrollment Period. This allows you to enroll or switch into a 5-star plan for most of the year. This can be a significant advantage if you missed other enrollment windows. It also provides an opportunity to choose a top-rated plan.

Where can you find Star Ratings?

You can easily find Medicare Star Ratings on the official Medicare website, Medicare.gov. When you use the plan finder tool, you will see the Star Ratings displayed prominently for each Medicare Advantage and Part D plan available in your area. This is the most reliable source for current ratings.

On Medicare.gov, you can enter your zip code. Then you can filter plans by star rating. This makes it easy to see all available 4 and 5-star options. The website also provides detailed information for each plan. You can review its benefits, costs, and specific quality measures. This allows for a deeper dive into what makes a plan highly rated. Comparing plans side-by-side on Medicare.gov is a practical first step.

You can also get information about Star Ratings by calling 1-800-MEDICARE. Representatives there can help you navigate the website or provide specific plan rating details. State Health Insurance Assistance Programs (SHIPs) can also offer personalized guidance. Always use official sources to get accurate and up-to-date information on plan ratings. This ensures you are making decisions based on verified data.


Have questions? Call 1-877-443-3251 to talk it through with a licensed insurance agent. They're paid by the plans they represent, never by you, and the decision stays yours.

We do not offer every plan available in your area. Any information we provide is limited to those plans we do offer in your area. Please contact Medicare.gov or 1-800-MEDICARE to get information on all of your options. Medicare has neither reviewed nor endorsed this information.

What to do this week

  1. Visit Medicare.gov to find current Star Ratings for Medicare Advantage plans in your specific service area.
  2. Compare plans with 4 or 5 stars that offer benefits aligned with your specific health needs and preferences.
  3. Verify that your current doctors, specialists, and hospitals are included in the network of any highly-rated plan you are considering.
  4. Review the plan's formulary (list of covered drugs) to ensure all your necessary prescriptions are included and understand their costs.
  5. Contact a licensed Medicare agent to discuss specific plan details, costs, and confirm eligibility for any Special Enrollment Periods.

A real example

Robert, 68, lives in Austin, Texas. He currently has a 3-star Medicare Advantage plan. He learned about the 5-star Special Enrollment Period. Robert visited Medicare.gov and found a 5-star plan available in his county. He checked the plan's directory and saw his primary doctor was in network. The plan also covered all his current medications at a good tier. Robert decided to use the 5-star SEP to switch to the higher-rated plan. He completed his enrollment by June 15. His new 5-star plan will begin on July 1, giving him access to a plan with a stronger quality record.

Medicare Disclaimer

We do not offer every plan available in your area. Any information we provide is limited to those plans we do offer in your area. Please contact Medicare.gov or 1-800-MEDICARE to get information on all of your options. Medicare has neither reviewed nor endorsed this information.

Frequently asked questions

What are Medicare Star Ratings?

Medicare Star Ratings are a system used by the Centers for Medicare & Medicaid Services (CMS) to measure the quality and performance of Medicare Advantage and Part D plans. Plans are rated from 1 to 5 stars, with 5 stars being the highest rating for excellent performance.

How often are Star Ratings updated?

Medicare Star Ratings are updated annually. New ratings are typically released by CMS each fall, usually in October, for the upcoming plan year. This means a plan's rating can change each year.

What does a 5-star rating mean?

A 5-star rating means a Medicare Advantage plan has achieved the highest possible quality rating from Medicare. These plans demonstrate excellent performance across categories like member satisfaction, health outcomes, and customer service.

Can I switch to a 5-star plan anytime?

If you find a 5-star Medicare Advantage plan, you can use the 5-star Special Enrollment Period (SEP) to switch to it once between December 8 and November 30 of the following year. This allows you to change outside of the usual Annual Open Enrollment Period.

Where can I find Star Ratings for plans?

You can find Medicare Star Ratings on the official Medicare website, Medicare.gov, by using the plan finder tool. You can also call 1-800-MEDICARE for assistance in finding this information.

Do Star Ratings consider plan costs?

No, Star Ratings do not directly consider specific costs such as monthly premiums, deductibles, or out-of-pocket maximums. They focus on quality, performance, and member experience. You will need to review plan details separately for cost information.

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