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Find the Best Medicare Supplemental Insurance

Use our guide to research the best Medicare Supplement Insurance for you. Medicare Supplement Insurance, also called Medigap, helps individuals who have Medicare Parts A and B manage the costs of medical treatment by covering additional services, including deductibles, coinsurance and copayments. Medigap does not work with Medicare Advantage plans.

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by Cyril Tuohy Insurance Contributing Editor

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Compare Reviews for Medicare Supplemental Insurance Plans

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United Medicare Advisors
Read 25 Reviews

Lets seniors research and compare Medicare plans in an online marketplace. Additional unbiased resources help consumers select the supplemental insurance that works best for them. Licensed agents on staff also provide support.

Learn More Call Now Toll Free (855) 534-7192
Cigna Medicare Supplemental Insurance Plans
Read 71 Reviews

Cigna has roots going back two centuries and has been in business under its current name since the 1980s. The company serves over 15 million health insurance customers and offers several types of Medicare-associated coverage.

Shop Now Call Now Toll Free (833) 204-0728
Mutual of Omaha Medicare Supplemental Insurance
Read 94 Reviews

Mutual of Omaha was has been working with Medicare coverage for 50 years, and the company currently sells Medicare supplement insurance in more than 30 states. Individuals with multiple Mutual of Omaha policies receive a discount.

Shop Now Call Now Toll Free (844) 831-1405
Humana Medicare Supplement Insurance
Read 62 Reviews

Provides Medicare supplemental insurance plans to cover costs not paid under Medicare Parts A and B. Offers three different types of plans. Helps with deductibles, co-insurance and hospice care.

Shop Now Call Now Toll Free (844) 825-7600
AARP Medicare Supplemental Insurance
Read 337 Reviews

AARP Medicare Supplement Insurance is a UnitedHealthcare plan that AARP endorses. Consumers can choose the AARP UnitedHealthcare plan that best meets their medical needs and budget.

Transamerica Medicare Supplemental Insurance
Read 15 Reviews

Transamerica was established in its current form in the early 1950s and offers several financial tools, life insurance policies and supplemental health coverage. The company is a part of Aegon and is headquartered in Maryland.

State Farm Medicare Supplemental Insurance
Read 9 Reviews

State Farm is a large mutual company that sells a wide variety of insurance products, including Medicare supplement insurance. The company was established in 1922 and is headquartered in Illinois.

MedicareEnrollment.com

Educates consumers on Medicare Parts A, B, C and D. Provides resources about Medicare eligibility, coverage and gaps. Displays plan options for additional coverage with a comparison tool.

Learn More Call Now Toll Free (855) 736-2574
Medicare.net

Offers detailed information and consultation on Medicare Advantage plan providers. Easy to find basic information about Medicare, Medicare Advantage, Medigap and drug plans. Connects you to brokers and agencies.

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Physicians Mutual Medicare Supplemental Insurance Read Author Review

Physicians Mutual has been in business for over 100 years. They originally sold health insurance to those in the medical field. They now offer multiple types of insurance, including Medigap policies, to the general public.

What are the features to consider when selecting an insurance company?

Plan availability

Medicare supplement insurance plans are standardized by law and are named with letters. The standardization means that every company’s Plan A offers the same coverage, but not all companies sell every plan. And sometimes companies offer different plans in different states.

  • Plans by company: If you want to purchase coverage from a specific company, start by looking at the plans that company sells in your area.
  • Plans by type: If you are more concerned with the coverage provided than the company selling it, start by looking at plans and then determine which companies offer those plans in your area.
  • Plans by geography: Medigap policies are standardized in a different way in the so-called waiver states of Massachusetts, Minnesota and Wisconsin.

Price

Maximum out-of-pocket expenses and deductibles are standardized between companies. However, the monthly price may vary greatly between companies depending on your age, where you live, discounts and medical underwriting. To make sure a plan is financially beneficial, multiply the monthly premium by 12 and add any out-of-pocket cost you may need to spend. Weigh that cost against the chance you’ll spend more than that amount on healthcare if you do not have supplement insurance.

  • Monthly premium: Monthly premiums for the same policies are not standardized the way coverage is, so consumers should get multiple quotes before enrolling in any policy.
  • Discounts: Some companies offer discounts for paying your premium in full annually, for enrolling when you’re 64 or 65 and/or for having multiple policies with the same company. Consider getting quotes from companies you already have policies with, and ask the agent if discounts exist for current customers.

Customer service

Because coverage is the same regardless of which provider you select, a company’s customer service is an important factor to consider when selecting a new Medigap provider.

  • Available hours: Look at the hours when you can reach customer service representatives by phone. Make sure the contact information and hours for customer service representatives or agents, not just sales representatives, are listed.
  • In-person availability: If you would prefer to work with someone in person, ask about local agents. Some companies let you place a request for a local agent to contact you, so you only have to submit your information and then wait to be called.
  • Existing relationships: If you already have a policy with a company you like, you may wish to talk to the agent who manages your current insurance. They may be able to tell you about special discounts.

Reputation

A company’s reputation may help you choose between insurers with similarly priced plans.

  • Financial strength: Working with a financially stable company ensures that it will be able to pay for services long into the future , even if costs rise substantially or a disaster requires the company to pay for care for hundreds or thousands of policyholders. A.M. Best, Moody’s, Fitch and Standard & Poor’s are independent agencies that rate insurance companies’ financial stability. You can visit these agencies’ websites to see how they rate the financial stability of a specific company. Although many companies list a rating on their website, you can see the most reliable and recent rating on the independent agencies’ websites.
  • Years in business: The amount of time a company has been in business can indicate that they have reliable business practices and good customer service. You may also wish to compare how long a company has offered Medicare supplement insurance.
  • Recommendations: Ask friends and family members to tell you about their experiences with different insurance companies. Read online reviews to determine how the company deals with customers.

Extra features

Some companies offer additional features and benefits for policyholders. Be aware, these extra features are not a part of the insurance so they could be changed or eliminated at any time during the policy term.

  • Informational seminars: Some companies offer regular meetings and seminars to help customers understand insurance options and/or Medicare more generally. These seminars can help consumers make the best choice for their situation.
  • Informational guides: Some companies send customers free pamphlets and other informational materials. These guides give consumers some guidance so they can ask agents specific questions.
  • Healthcare perks: Some companies give customers free access to some healthcare services, like medical hotlines or preventative care discounts.

Other insurance offerings

Because companies may offer discounts for individuals who already own multiple policies with them, you may want to choose a company that sells several types of policies that interest you. A company’s other offerings may indicate how experienced they are in dealing with Medicare-related plans and/or people in your age group.

  • Auto/home insurance: Companies that have an extensive number of products for protecting your home or automobile will likely offer multiple policies that meet your needs, so a multiple-policy discount would be easy to qualify for.
  • Life insurance: Many companies that sell Medicare supplement insurance also offer life insurance policies. These companies might offer multiple policy discounts or might be accustomed to working with recent retirees.
  • Health insurance: Companies that offer health insurance may be better at helping individuals choose Medigap policies that meet their needs.

Buying periods

When is the best time to buy?

The best time to buy a Medigap policy is during the Medigap open enrollment period. The period begins on the first day of the month in which you turn 65 or older and enrolled in Medicare Part B. Buying within the enrollment window means:

  • Guaranteed issue: Insurance companies must sell you a policy.
  • Pre-Existing Coverage: Pre-existing health conditions are covered.
  • Can’t Be Charged More:  Buying within the six-month window means people suffering from medical conditions can buy coverage for the same price as people without health issues.
  • Switching Medigap: You can switch Medigap policies, but you risk a penalty if you don’t switch during the open enrollment window. People switch because they want to cheaper Medigap policy, or because they need more benefits.

What if you buy outside of the enrollment period?

If you apply for Medigap coverage after your open enrollment period, there's no guarantee that an insurance company will sell you a Medigap policy if you don’t meet the medical underwriting requirements, unless you're eligible due to one of the situations below:

  • Disability: You’re under 65 and eligible for Medicare because of a disability or end-stage renal disease.
  • Pre-existing conditions: Coverage for the pre-existing condition can be excluded if the condition was treated or diagnosed within six months before the coverage starts under the Medigap policy. After the six-month period, the Medigap policy will cover the condition that was excluded.
  • Other insurance: If you have group health insurance through an employer or union, your Medigap open enrollment period will start when you sign up for Medicare Part B.

What are the different types of Medicare supplement plans?

All Medicare supplement policies

Medicare supplement insurance, also known as Medigap, is designed to cover some or all of the costs a patient is responsible for before Medicare Part B will pay anything, the copays required by Medicare Parts A and B and any amount over the maximum that Medicare Parts A and B will cover. The different Medigap plans are standardized between companies, meaning consumers will receive the same coverage for Plan A (or whichever plan they select) regardless of which company they buy it from. There are 11 plans, each designated by a different letter, and each one covers different things. (Medigap plans are not labeled with letters in Massachusetts, Minnesota and Wisconsin, so-called waiver states.)

As of January 1, 2020, Medicare supplement plans are no longer allowed to cover the Medicare Part B deductible, so Plan C and Plan F are no longer available to consumers. Anyone enrolled in either of these plans prior to January 1, 2020 can keep their plans and anyone eligible for a plan before January 1, 2020 but not yet enrolled may be able to purchase one of these plans.

Plan A

Plan A covers additional days in the hospital after Medicare benefits are exceeded, copayments and coinsurance, hospice care and up to three pints of blood.

Plan B

Plan B covers everything that Plan A does and also covers the deductible required by Medicare Part A.

Plan C

Plan C covers everything that Plan B covers as well as the deductible required by Medicare Part B, 80 percent of medical care costs occurred when traveling abroad and the coinsurance for stays in skilled nursing facilities. As of January 1, 2020, Plan C is no longer available for new Medicare recipients.

Plan D

Plan D is the same as Plan C, but it does not cover medical care costs occurred when traveling abroad.

Plan F

Plan F covers everything covered by Plan C and also covers any excess fees charged by a doctor or hospital that Medicare does not cover. Due to the changes regarding the Part B deductible, consumers can no longer enroll in Plan F.

Plan F—High Deductible

The high deductible version of Plan F has the same coverage as the standard Plan F, but individuals must pay a high deductible, often over $2000, before the policy covers anything.

Plan G

Plan G covers everything the standard Plan F covers except that it does not cover the Medicare Part B deductible.

Plan K

Plan K covers additional days in the hospital after Medicare benefits are exceeded and 50 percent of the following: Part B coinsurance, up to three pints of blood, hospice care, coinsurance for skilled nursing facilities and the deductible for Part A.

Plan L

Plan L covers the same things as Plan K, but it pays 75 percent on the services where Plan K pays 50 percent.

Plan M

Plan M covers additional days in the hospital after Medicare benefits are exceeded, copayments and coinsurance, hospice care, skilled nursing facility coinsurance and up to three pints of blood. It also covers 50 percent of the Part A deductible and 80 percent of charges while traveling abroad.

Plan N

Plan N is identical to Plan M, except it fully covers the deductible for Part A and requires a small copay for office visits and trips to the emergency room.

Medicare SELECT

A type of Medigap policy which typically charges lower premiums so long as the policyholders uses approved networks of hospitals and doctors.

Who should consider purchasing Medicare Supplement Insurance?

Retirees

Anyone reaching retirement age should begin researching health insurance options for those 65 and over. Deciding on a plan before turning 65 may allow some consumers to get special discounts.

Seniors

Older seniors may wish to purchase Medicare supplement insurance if they’re concerned about paying for an unexpected medical need.

People with qualifying disabilities

Individuals with qualifying disabilities, usually those that make them eligible for social security disability, may be allowed to purchase Medicare supplement insurance before they turn 65.

Affinity Group Members

Affinity groups like AARP may offer members advantages if they buy Medigap through the organization.

Medicare supplemental insurance FAQ

Do I really need supplemental insurance with Medicare?
If there are gaps in your Medicare coverage, supplemental insurance may help cover the cost of the deductibles, coinsurance and copayments. Although each individual has different needs with their insurance, you should consider supplemental insurance if:
  • You plan on regularly traveling outside the country
  • You plan to visit the doctor/hospital multiple times a year
  • You get numerous medical treatments throughout the year
How much does supplemental insurance cost with Medicare?
The average monthly premium cost for Medicare supplemental insurance ranges from $50 to $300. The cost of supplemental insurance with Medicare is difficult to calculate because several factors go into calculating the price. For starters, insurers have three ways to price their plans:
  • Attained age: A price based on your current age that increases as you age
  • Community rated: A set price for everyone enrolled in a specific supplementary plan
  • Issue age: A price set on the age when you enroll
Then insurers take into account personal information, like your age, location and gender. Finally, there are 11 individual Medigap plans — labeled Medigap plans A through N — that have different service coverages.
Can you have more than one supplemental insurance with Medicare?
You cannot have more than one Medigap plan at a time — it is illegal for insurers to sell more than one Medigap plan to the same person. However, Medigap plans all include identical standardized benefits. The differences between plans are with things like copayment percentages and deductibles from your Part A or B plans.

If you have a Medicare Advantage plan, you can enroll in a Medicare supplemental plan. However, your Advantage plan must end for any supplemental plan to go into effect. If you do have an Advantage plan, you receive no benefits from a supplemental plan.

What does supplemental Medicare insurance cover?
Medicare supplemental insurance (Medigap) covers health care costs not included with your Medicare plan. There are up to 10 plans to choose from, and some plans feature coverage for skilled nursing care or Medicare Part B "excess charges." Although Medigap plans have the same standardized benefits, they do not cover:
  • Dental care
  • Hearing aids
  • Glasses
  • Vision care
  • Private-duty nursing
  • Long-term care
Can I purchase Medicare supplemental health insurance?
To purchase Medicare supplemental health insurance (Medigap) coverage, you must be at least 65, have Medicare Part A and B and purchase coverage during your Medigap open enrollment. However, Medigap open enrollment works a little differently from other insurance open enrollments. Medigap open enrollment starts on the first day of the month you are 65 and lasts six months.

Because you can enroll in Medicare Part B three months before you turn 65, you may have Part B but not be eligible for a Medigap plan.

Also, be aware that if you have a preexisting condition, Medigap coverage may not cover costs for the condition for up to six months. For this reason, experts agree you should enroll in a Medigap plan as soon as you can.

Is a Medicare supplement plan worth it?
Yes, a Medicare supplemental plan is worth it if you want coverage for costs Original Medicare doesn’t cover, including copayments, coinsurance and deductibles.
Can I get a Medicare supplemental plan anytime?
No, there are very specific requirements to enroll in a Medicare supplemental plan:
  • You must be 65 or older.
  • You must have Medicare Part A and Part B.
  • You must purchase during your enrollment period.
Who qualifies for Medicare supplemental insurance?
To qualify for Medicare supplemental insurance (Medigap):
  • You must be at least 65.
  • You must have Medicare Part A and B.
  • You must purchase during your enrollment period.

Not sure how to choose?

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    What does the author have to say about Medical Supplemental Insurance companies?

    AARP Medicare Supplemental Insurance

    UnitedHealthcare provides AARP branded Medicare supplement insurance. The AARP organization does not act as an insurer. Only members of AARP can enroll in this coverage.

    Read More
    Mutual of Omaha Medicare Supplemental Insurance

    Mutual of Omaha was founded in 1909 and began selling health insurance policies the following year. It administered Medicare parts A and B when the program started in 1966. Today, Mutual of Omaha offers a variety of supplement insurance policies for Medicare recipients so consumers can find a plan that fits their needs and budget.

    Read More
    State Farm Medicare Supplemental Insurance

    State Farm Insurance was founded in 1922 and is a mutual company, meaning it is owned by policyholders, not investors. The company holds more than 80 million insurance policies and offers more than 100 products, including Medicare supplement insurance.

    Read More
    Cigna Medicare Supplemental Insurance Plans

    Cigna Supplemental Benefits is a part of the Cigna family with policies underwritten by American Retirement Life Insurance Company and Loyal American Life Insurance Company. The company was established in 1982 and currently has more than 15 million health insurance customers.

    Read More
    Physicians Mutual Medicare Supplemental Insurance

    Physicians Mutual was founded in 1902 as a family business in Omaha, Neb. The company originally offered insurance only to medical professionals. Today, the company sells several types of insurance to the general public.

    • Household discount: Individuals who live with someone else who has a Physicians Mutual life insurance policy or Physicians Mutual Medigap policy can receive a monthly discount on certain plans. Each person in the household will receive the discount.
    • Quote: Interested consumers can instantly receive a quote by inputting some basic personal information into the quote tool on the company’s website. Those with additional questions can request an agent call them.
    • Conversations: Physicians Mutual sends an e-newsletter, called Conversations, to all interested consumers once a month. It offers tips on healthy living, managing finances and more. Sign up is free on the company’s website.
    • Medicare seminars: Those who are confused about Medicare options and private plans to supplement their Medicare coverage can attend one of Physicians Mutual’s free seminars. Experienced agents give informational presentations and are available for questions. Dates and locations can be found online.
    Transamerica Medicare Supplemental Insurance

    Transamerica has roots going back to the beginning of the 19th century and took its current form and name in 1952. It became a part of Aegon N.V. in 1999. The company headquarters are located in Baltimore.

    Read More
    by Cyril Tuohy Insurance Contributing Editor

    Cyril Tuohy, has covered the insurance industry for more than 15 years. He is an expert at writing about personal and commercial property-casualty insurance and covers life, annuities and retirement as a staff writer for a top insurance trade magazine aimed at insurance agents and financial advisors.