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Top 10 Medicare Supplement Insurance Companies in 2023


When shopping around for a Medicare Supplement (Medigap) policy, it is helpful to be familiar with the top 10 Medicare Supplement insurance companies. Whether you’re new to Medicare or are considering supplemental coverage a few years after enrolling in Medicare, we provide the information you need to make the best decision possible.

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We assess several elements for a Medicare Supplement insurance company to be one of the best. Factoring into our choices for the top companies are consumer reports, AM Best rating, Standard and Poor (S&P) rating, and the company’s number of years in the market. Knowing about a carrier is essential when comparing Medigap rates to find the best policy for you.

What Are the Top 10 Medicare Supplement Insurance Companies?

  1. Mutual of Omaha – Best Overall
  2. Aetna – High-Quality Nationwide Availability
  3. Cigna – Superior Customer Care
  4. United American – Best Enrollment Experience
  5. Capitol Life – Competitive Premium Cost Nationwide
  6. UnitedHealthcare – Best Underwriting Process
  7. Manhattan Life – Best Website Experience
  8. Humana – Best Value
  9. Blue Cross Blue Shield – Best Mobile App
  10. Bankers Fidelity – Best Senior Experience

Mutual of Omaha: Best Overall Medicare Insurance Company

It is clear why Mutual of Omaha is at the top of our list. This company has an A+ rating with AM Best and an AA- rating with S&P. Established in 1909, Mutual of Omaha has been a household name for over a century. They pay 98% of Medicare claims within 12 hours, saving clients the hassle of worrying about claim status.

Plus, you receive various policy options when using Mutual of Omaha as a Medicare insurance company. Aside from Medicare Supplement plans, Mutual of Omaha offers Medicare Part D prescription drug plans, dental coverage, and long-term care insurance – to name a few of their products.

Also, household discounts make it beneficial to choose Mutual of Omaha if your spouse already has an active Medigap policy with this company.

 Mutual of Omaha Pros: Mutual of Omaha Cons:
Mutual of Omaha Medicare Supplement Plans are available in almost every state, making it one of the most widely available Medicare Supplement carriers. For most new to Medicare, only three Medicare Supplement plans are available in most areas. (Medigap Plan A, Plan G, and Plan N).
Carrier offers a significant household discount of up to 12% for policyholders living in the same home. Internet and mobile access to your plan are more difficult through Mutual of Omaha than other carriers. The website can be difficult for seniors to track claims, review benefits, or make payments.

Aetna: Widely Available Medicare Insurance Company

Founded in 1853, Aetna proves to be one of the most established insurance companies nationwide. Over 39 million customers, including Medicare beneficiaries, rely on Aetna for healthcare coverage. Aetna boasts an A rating from AM Best and an A+ from S&P. Thus, Aetna proves to be a top carrier all around.

As a Medicare insurance company, Aetna offers top Medigap plans in 43 states. These plans provide significant benefits, such as a 12-month rate lock guarantee, household discounts in many of the 43 states they are available, and 30-day free look protection.

Aetna Pros: Aetna Cons:
Aetna offers competitive prices nationwide for the top Medicare Supplement plans. Aetna does not offer online price quoting for consumers in several states, which makes it more difficult for clients to research plan pricing and decide on a plan.
Partnership with CVS Health makes the company more diverse financially and enables you to receive additional perks as an Aetna policyholder. As a company, Aetna tends to receive more low ratings and customer complaints than the average Medicare Supplement carrier, according to the Better Business Bureau.

Cigna: Best Customer Service From a Medicare Insurance Company

The Insurance Company of North America (INA) began in 1792 as the United States’ first stockholder-owned insurance company. INA eventually became the company we know today as Cigna, one of the most renowned health insurance carriers nationwide. Rated as an A company by AM Best and S&P, Cigna has proven itself a worthy Medicare insurance company.

As a Medicare Supplement insurance company, Cigna offers all of the top Medigap plans and a spectacular dental, vision, and hearing plan option for Medicare beneficiaries. Cigna also provides spousal and household discounts in many states nationwide. However, one of Cigna’s perks is its top-rated customer service department.

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Cigna Pros: Cigna Cons:
Additional perks for policyholders include a 24/7 telehealth line and Healthy Rewards discount programs for living a healthy lifestyle. Most areas only offer four Medicare Supplement Plan options (Medicare Supplement Plan A, Plan F, Plan G, and Plan N).  
Cigna offers wide plan availability with policies available in every state.   Cigna’s approval process tends to take longer than other major carriers.

United American: Best User Experience for a Medicare Insurance Company

United American Insurance Company began in 1947, offering Medicare insurance options since 1966. Currently, the company maintains an A+ rating from AM Best and has done so for over 40 years. However, S&P’s rating for United American is AA-.

United American offers many top Medicare Supplement plans but is most well-known for its Medicare Supplement High Deductible Plan F and High Deductible Plan G policies. A key reason why many people on Medicare choose United American is their two-year policy anniversary rule.

United American’s two-year policy anniversary rule allows those who enroll in a high-deductible plan to switch to the standard version of their plan on the two-year anniversary of the policy with no underwriting health questions. This means you cannot face denial due to pre-existing health conditions. Thus, if you have Medicare Supplement High Deductible Plan G with United American and would like to switch to Medigap Plan G through the same carrier, you can do so after two years.

United American Pros: United American Cons:
Carrier specializes in high-deductible Medicare Supplement plans. They consistently have the lowest premium costs in most areas. Very few Medicare Supplement plans are available through this carrier in most areas.  
United American receives some of the highest customer ratings and few customer complaints. Standard (not high-deductible) Medicare Supplement plan premiums are typically higher than other carriers.  

Capitol Life: Most Widely Affordable Medicare Insurance Company

Capitol Life is an American insurance company founded in 1905, specializing in Medicare supplements and life insurance. The company is highly successful, receiving an A- rating by AM Best and an A rating by S&P.

After over a century in business, Capitol Life remains a reliable Medicare insurance company. Capitol Life is committed to bringing low-cost Medicare Supplement plans to as many people as possible.

Capitol Life Pros: Capitol Life Cons:
Real-time instant approval is available for some clients who are in good health and answer the application questions thoroughly and honestly. When completing the application process, you may require a phone health assessment with a Capitol Life representative to determine your health status.
Capitol Life tends to receive high rankings from clients.   Capitol Life recently began selling Medicare Supplement plan and are only available in certain states.  

UnitedHealthcare: Simplest Medicare Insurance Company Underwriting Process

UnitedHealthcare has been providing Medicare beneficiaries with Medigap options since the late 1970s. As one of the country’s top two largest insurance companies, UnitedHealthcare is an excellent option when searching for a Medicare insurance company.

UnitedHealthcare is rated as an A company by AM Best and an A+ company by S&P. These ratings accurately represent the company overall. UHC provides quality healthcare to Medicare beneficiaries nationwide with one of the most straightforward Medicare Supplement underwriting processes.

UnitedHealthcare Pros: UnitedHealthcare Cons:
All Medicare Supplement plans are available in most areas and almost every state.   Higher than average premium prices in some areas.
An easy-to-access online portal allows members to check claims, search providers, and manage their plan’s benefits. UnitedHealthcare premium prices rise at age 75 due to the loss of discounts.

Manhattan Life: Best Website Experience From a Medicare Insurance Company

Manhattan Life has been insuring Americans for over 170 years. As one of the longest continuously operating insurance companies in the U.S., Manhattan Life continues to satisfy policyholders. Manhattan life holds a B++ rating from AM Best and an A rating from S&P.

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Manhattan Life offers five Medigap plans and a comprehensive dental, vision, and hearing plan. The company is successful in the Medicare realm, with 30+ years of experience. Manhattan Life is dedicated to progressing its technology for an easier user experience.

Manhattan Life Pros: Manhattan Life Cons:
Manhattan Life provides a household discount for two people in the same household on a Medicare Supplement policy. In most areas, the discount is 7%. As a company, Manhattan Life only offers 5 Medicare Supplement plan options (Medicare Supplement Plan A, Plan C, Plan F, Plan G, and Plan N).
Manhattan Life offers a relaxed underwriting process, allowing those with more health issues access to a Medicare Supplement policy.   Manhattan Life does not offer online quoting, which makes it more difficult for customers to find an accurate premium price on their own.

Humana: Best Value Medicare Insurance Company

Humana insurance company has been providing Americans with healthcare coverage since 1961. Rated as an A- company by AM Best and a B++ company by S&P, Humana prides itself on affordable healthcare for all enrollees.

As a top-rated Medicare insurance company, Humana offers policyholders various additional benefits. These benefits include SilverSneakers memberships in 47 states and 24/7 access to telehealth doctors.

Humana Pros: Humana Cons:
Plans through this carrier are widely available, as beneficiaries can enroll in most states.    Humana receives a lower rating from customers than the average Medicare Supplement carrier.
Plans through this carrier are widely available, as beneficiaries can enroll in most states.    Monthly premiums may be higher than other companies, depending on your location.

Blue Cross Blue Shield: Best Medicare Insurance Company Mobile App

Blue Cross Blue Shield has been a prominent insurance company since 1929. Receiving an A rating from AM Best and a B rating from S&P, BCBS is one of the most highly recognized Medicare insurance companies.

Blue Cross Blue Shield focuses on customer satisfaction. The company offers typical Medigap plans and policies bundling dental, vision, and hearing coverage. One of their best assets is an easy-to-use mobile app for customers to track their claims history and payments.

Blue Cross Blue Shield Pros: Blue Cross Blue Shield Cons:
Customizable Medicare Supplement options can bundle additional benefits into your policy for an extra monthly fee. Uses several affiliate partners nationwide, so your plan carrier may change if you move to another state.
Discounts are available to almost every member (household, spousal, autopay, etc.). Monthly premiums tend to be higher than other Medicare Supplement plan carriers.

Bankers Fidelity: Highest Rated Senior Experience with a Medicare Insurance Company

Bankers Fidelity has been serving Seniors on Medicare for over 65 years. With an A- rating from both AM Best and S&P, Bankers Fidelity remains a successful Medicare insurance company.

Bankers Fidelity Pros: Bankers Fidelity Cons:
Bankers Fidelity offers a large plan selection nationwide.   Medicare Supplement plans are only available in 37 states. This carrier is unavailable in many highly-populated states, such as California, Florida, and New York.
The company has been around for several years and has always had a very high rating compared to other insurance companies. Medicare Supplement plan premiums tend to vary significantly by location. In some areas, plans are priced extremely high, and in others, the monthly premium is very low.  

What is the Highest-Rated Medicare Supplement Insurance Company?

The highest-rated Medicare Supplement company can vary by location, as plan ratings are not the same across states. However, the companies above have the top 10 highest ratings on average throughout the country.

Each carrier has a specialty that makes it unique. However, each also has its pitfalls. Your location and needs as a consumer will determine which carrier is suitable for you.

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What is the Downside to Medicare Supplement Plans?

The biggest downside to Medicare Supplement plans is the upfront costs. In the long run, you will likely spend less on healthcare with Medigap than Medicare Advantage or Original Medicare (Part A and Part B) only. However, Medicare Supplement plans require higher monthly premiums than Medicare Advantage, and you will still need to pay your Original Medicare and Medicare Part D premiums, if applicable.

When you receive healthcare services with Medigap, you will find that your out-of-pocket costs are much lower than any other coverage type. So, to receive great benefits in the long run, you will need to pay a higher monthly premium, which may be a turn-off for some consumers.

Is There a Medicare Supplement Plan That Covers Everything?

When it comes to Medicare Supplement plans, you only receive coverage for services Original Medicare covers. This means that Medicare Supplement plans do not cover services not typically covered by Medicare Part A or Part B.

Some of the essential benefits Original Medicare does not cover include dental, hearing, vision, and prescription drug benefits. To receive this coverage, you must enroll in separate plans that work alongside your Original Medicare and Medicare Supplement policy.

However, if you are looking for the Medicare Supplement plan with the most comprehensive coverage, you will find it in Medicare Supplement Plan F if you are eligible. This plan covers 100% of the out-of-pocket costs Original Medicare leaves. To qualify for this plan, you must enroll in Original Medicare before January 1, 2020.

If you are ineligible for Medicare Supplement Plan F, Plan G is your next best option. Once you pay the annual Medicare Part B deductible, Medicare Supplement Plan G covers 100% of your out-of-pocket costs, just like Medicare Supplement Plan F.

What is the Best Way to Choose a Medicare Supplement Plan?

The best way to choose a Medicare Supplement plan is by comparing all your options and deciding which plan best fits your budget and healthcare needs. To compare all the plans in your area in one place, you will need to work with a licensed brokerage with access to all carriers in your area.

Once you compare all plans, your broker can help you weigh the pros and cons of each carrier until you decide which is suitable for you. Then, choosing a coverage level for your plan is the easy part.

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To receive your free, side-by-side plan comparison for all the top carriers in your area, complete this online rate form, and we will connect you with a licensed agent who can help you find your ideal coverage.

How to Choose the Best Medicare Supplement Company for You

The policy with the lowest premium rate at enrollment is not necessarily the best choice in the long run. Although the monthly premium is crucial when enrolling in a Medicare Supplement policy, it should not be the only factor you consider.

It is crucial to think about your future experience with the company when enrolling. In some cases, you may be stuck in your plan due to health issues that will not allow you to pass underwriting health questions. If this is the case, you want your policy to stand the test of time.

Overall, you will benefit from selecting a policy from an established company. The insurance company you choose is just as vital as the standardized Medigap plan in which you enroll.

While every carrier on our list of top 10 Medicare Supplement insurance companies offers competitive rates, one may be better for you than the others. There are many top-rated Medicare Supplement companies to choose from, and our Medicare experts can work with you to help you make the right decision.

Our agents can access the most popular Medigap plans! So, instead of calling each company for a quote, they can help you explore all your options simultaneously. If you are considering buying a Medicare Supplement plan, call our agents at the number above to get the best coverage in your area.

Don't have time to call today? Fill out an online rate comparison form, and an agent will reach out to you to discuss the top Medicare Supplement companies in your area.

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Jagger Esch

Jagger Esch is the Medicare expert for MedicareFAQ and the founder, president, and CEO of Elite Insurance Partners and MedicareFAQ.com. Since the inception of his first company in 2012, he has been dedicated to helping those eligible for Medicare by providing them with resources to educate themselves on all their Medicare options. He is featured in many publications as well as writes regularly for other expert columns regarding Medicare.

26 thoughts on “Top 10 Medicare Supplement Insurance Companies in 2023

  1. My husband is retired military with Tricare for Life on both of us as secondary to our required by social security Medicare parts A&B. Who has the best supplement for us to cover dental, vision, hearing.

    1. Hi Joyce! That depends on many factors, like your location. If you give us a call, we’ll be able to collect the information needed to provide you with the carriers that offer dental, vision, and hearing in your area.

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