Below is the data relating to the form you were looking for to fill in. It will tell you the span of time you will need to finish part b special enrollment, exactly what fields you will have to fill in, and so on.
|Form Name||Part B Special Enrollment|
|Form Length||4 pages|
|Avg. time to fill out||1 min|
|Other names||medicare employment b, medicare part sep, sep your, medicare form sep|