Illinois Medicare Articles
Illinois Enrollment Periods Articles
Part D Enrollment Periods in Illinois
Find out when and how to enroll in Medicare Part D. Learn about initial, annual, and special enrollment periods to get the right prescription drug coverage and avoid late enrollment penalties.
Medicare Advantage Enrollment Periods in Illinois
Learn when you can enroll in, switch, or drop a Medicare Advantage plan. Covers the Annual Election Period, Medicare Advantage Open Enrollment Period, and Special Enrollment Periods — including key dates and 2026 changes.
The Different Types of Medicare Penalties in Illinois and How to Avoid Them
Learn how the Medicare Part A, Part B, and Part D late enrollment penalties work, how much they cost, how long they last, and how to avoid them.
CMS-40B and CMS-L564: How Illinois Residents Enroll in Medicare Part B After Employer Coverage
Worked past 65 on an employer plan? Enrolling in Part B takes two forms, CMS-40B and CMS-L564. Here is who fills out what, the 8-month deadline, and the COBRA trap.
Do You Have to Sign Up for Medicare at 65 in Illinois?
Medicare isn't mandatory at 65, but waiting without the right coverage triggers lifetime penalties. Who can delay, who can't, and how to get Medicare without Social Security.