How to Fill out Form CMS-L564
The Social Security Administration’s (SSA) form CMS-L564 is an employment verification form. The purpose of this form is to apply for a Special Enrollment Period (SEP) for Medicare that is outside Initial Enrollment Period (IEP) and the General Enrollment Period (GEP).
Your IEP is seven months long. It begins 3 months before your 65th birthday or the 25th month of your disability and ends 3 months after your 65th birthday, and the GEP is every year from January 1 to March 31