Medicare Supplement Insurance

Medicare Supplement insurance is often referred to as “Medigap” insurance. People regularly think the two are separate types of Medicare coverage, however, they are not. Learn below what Medicare Supplement insurance is.

Medicare Supplement Insurance

What is Medicare Supplement Insurance (Medigap)?

Original Medicare doesn’t cover all of your medical costs. Medicare Supplement Insurance, or a “Medigap” policy is private health insurance that is designed to supplement, or bridge the coverage gaps left by Original Medicare. It is used to help assist people in paying their share of copays, co-insurance, or deductibles of Medicare covered services*. Additionally, medicare supplement insurance offers broad access to doctors, hospitals, or other providers regardless of whether you’re at home or traveling within the US. Browse Medicare Supplement Plans here.

Original Medicare


Original Medicare consists of Parts A & B. They help pay hospital costs (Part A) and doctor’s services (Part B).

Medicare Part D


Medicare Part D plans help pay for prescription drug expenses.



Medigap insurance plans help pay for costs not covered by Parts A & B.

Important: The terms “Medicare Supplement Plans” and “Medigap Plans” are interchangeable. They are not separate types of coverage. However, there are differences between Medicare Supplement/Medigap Plans and Medicare Advantage/Part C Plans.

Medicare Supplement Insurance Costs

All private insurers must follow specific coverage guidelines for the ten different Medigap plan designs that are available in most states. This means that all private insurers must offer the same benefits for the ten plan designs. (Note that Massachusetts, Minnesota, and Wisconsin residents have a different selection of Medigap plan designs.)

Although all Medigap plans are the same, private insurers do not have to follow any specific pricing guidelines for Medigap premiums. This is why it is so important to learn about Medicare supplement premiums – since you’re getting the same coverage, you should make sure you’re getting the best price! Compare Medigap Plans & Rates Here.

Medicare Supplement Insurance Advantages

Most insurance companies sell “standardized” Medicare Supplement policies. Strict federal regulations ensure that each policy, referred to by letters A through N, offer the same benefits whether that policy is in California or Connecticut. Below are some general advantages of Meidcare Supplement Plans.

  • Choice: Select Your own doctors and hospitals as long as they accept Medicare patients.
  • Costs: Monthly plan premiums in addition to your Part B premium, with limited out-of-pocket costs.
  • Flexibility: You can choose between 10 different plans offering different levels of benefits and premiums.
  • Access: See Specialists without referrals (as long as they accept Medicare).
  • Freedom: No network restrictions. Coverage goes with you across the United States.

Important: Medigap Plans do not include coverage for Prescription Drugs. You will need to enroll in a stand-alone Part D plan should you need drug coverage.

Medicare Supplement Insurance FAQs

Does a Medicare Supplement replace Medicare Parts A & B? What’s the difference between a Medicare Supplement plan and a Medicare Advantage plan? How do I enroll? Get all your Medigap questions answered in our Medicare Supplment FAQs.

Paying Too Much For Medigap Coverage?

Did you know Medicare Supplement insurance premiums are fixed by law? This means you cannot get a lower rate anywhere else!