LI Group Benefits is not connected with or endorsed by the U.S. government or the federal Medicare program.

Medicare education

Start with the basics.
Understand your options.

Explore how the parts of Medicare fit together, then choose a topic to learn more.

Turning 65 or retiring?

The parts of Medicare

Part A

Hospital insurance, including covered inpatient care.

Part B

Medical insurance, including covered doctor and outpatient services.

Part C

Medicare Advantage is a private-plan way to receive Part A and Part B benefits. Most plans include Part D.

Part D

Prescription drug coverage, available through standalone drug plans or many Medicare Advantage plans.

Part A and Part B together are Original Medicare. Medigap is separate supplemental insurance, not another lettered part of Medicare.

Read the official Medicare basics (opens in a new tab)

Explore the two sections

Medicare Advantage (Part C) & Part D

Learn about Medicare Advantage, including plans with prescription coverage, and standalone prescription drug plans.

Understand Part C & Part D

Medicare Supplement (Medigap)

Learn how supplemental insurance works with Original Medicare.

Understand Medigap

Turning 65 · Retiring · Changing coverage

Understand your timing before changing coverage.

Your enrollment steps depend on your circumstances. Review how employer coverage, retirement, and your Medicare eligibility affect your next steps.

Get enrollment guidance from Medicare.gov (opens in a new tab)

Read official handbooks and guides

Medicare reading

Prepare for your next coverage review.

Questions about Medicare?

Stephen T. Sullivan, CLU, CLTC
Licensed Insurance Agent · LI Group Benefits

Available by phone: 9 a.m.–8 p.m. Eastern
October 15–December 7: Seven days a week
Rest of the year: Monday–Friday

516-985-7672

For TTY relay service, dial 711 and ask to connect to 516-985-7672.

Choose the topic you would like to discuss. Each request form identifies the coverage and contact permission involved.

Request help with Part C or Part DRequest help with Medigap