Since 2011, we've helped more than 5 million visitors understand Medicare coverage.

A PROPERTY OF HEALTHINSURANCE.ORG, LLC, A NON-GOVERNMENTAL ENTITY
Get a quote From a licensed third party agency
medicareresources.org
Get a quote
From a licensed third party agency
A PROPERTY OF HEALTHINSURANCE.ORG, LLC, A NON-GOVERNMENTAL ENTITY
Enrollment options
Enrollment options by state
Coverage options
Original Medicare Part A Original Medicare Part B Medicare Advantage Part C Medicare Part D Medicare Supplement Plans
Featured
How are Medicare benefits changing for 2026?
Changes to 2025 Medicare coverage include a $2,000 cap on Part D out-of-pocket costs, small reductions in the average premium for Medicare Advantage and Part D plans, increases for Medicare Part B and Part A premiums and cost-sharing, and adjustments to income-related premium surcharges for Part B and Part D.
Guides
Medicare Open Enrollment 2026 Financial help by state Enrollment and Eligibility
Medicare Basics
What is Medicare? History of Medicare Medicare and the ACA
Latest News & Topics
FAQs Blog Glossary
Featured
What is the income-related monthly adjusted amount (IRMAA)?
For 2025, high-income beneficiaries – earning over $106,000 a year – pay an IRMAA surcharge that’s added to their Part B and Part D premiums and determined by income from their income tax returns two years prior.

Home > Glossary > Medicare supplement insurance

Medicare supplement insurance

What is Medicare supplement insurance?

Medicare supplement insurance infographic

What is Medicare supplement insurance?

Medicare supplement insurance plans (Medigap) – sold by private insurance companies – offer supplemental benefits to fill gaps in Original Medicare coverage.

The plan offer combinations of benefits, covering expenses ranging from copayments and deductibles to foreign travel emergency expenses and preventive care. Find out how to enroll and what Medigap coverage costs.

Related Articles

Do Medicare supplement plans include prescription drug coverage?

Do Medicare supplement plans include prescription drug coverage?

Modern Medigap plans do not include prescription drug benefits. Instead, Medicare offers prescription drug coverage under Part D. Medicare enrollees can get prescription coverage either by switching to a Medicare Advantage plan or by purchasing a stand-alone Medicare Part D plan (PDP) to go along with Original Medicare.

Do Medicare supplement plans include prescription drug coverage?

Do Medicare supplement plans include prescription drug coverage?

Modern Medigap plans do not include prescription drug benefits. Instead, Medicare offers prescription drug coverage under Part D. Medicare enrollees can get prescription coverage either by switching to a Medicare Advantage plan or by purchasing a stand-alone Medicare Part D plan (PDP) to go along with Original Medicare.