Summary of Enrollment Periods for Medicare Parts A, B, C & D
| Part A | Part B | Part C (Medicare Advantage plans) | Part D (Prescription Drug plans) | |
|---|---|---|---|---|
| IEP - Initial Enrollment Period | Starts 3 months before and ends 3 months after month of eligibility — total of 7 months | Starts 3 months before and ends 3 months after month of eligibility — total of 7 months | ICEP can be 3 to 7 months depending on enrollment in Part B | Starts 3 months before and ends 3 months after month of eligibility — total of 7 months |
| GEP – General Enrollment Period | Jan 1 to Mar 31 | Jan 1 to Mar 31 | ||
| AEP – Annual Election Period | Nov 15 to Dec 31 | Nov 15 to Dec 31 | ||
| SEP – Special Enrollment Period & Special Election Periods |
Yes – Special Enrollment Period | Yes – Special Election Periods | Yes – Special Election Periods | |
| OEP – Open Enrollment Period | Jan 1 to Mar 31 |
Updated April 28, 2009