Medicare, one part at a time
Understand A, B, C and D—and where a Medicare supplement fits.
For visual learners
The big picture.
One graphic at a time.
Follow the paths, see the timing and keep the key numbers in view. Save a guide for yourself or bring it to a conversation.
Download all four · PDFFour pages · Letter size · Sources checked September 11, 2026
Two paths. Your priorities.
Compare Original Medicare with Medicare Advantage beyond the monthly premium.
Find the enrollment window that fits
First enrollment, annual plan changes and special circumstances have different rules.
What Medicare costs in 2026
A current-year reference with the important limits and exceptions in plain language.
Tap any graphic to open the full-size image. These are general summaries; use the linked guides for important details and official sources.