You can buy Medicare Part B (Medical Insurance) through the , even though it's a Medicare program.
Log in to or create a my Social Security account to apply online. This is generally the fastest method.
The easiest way to enroll is by using the Official Social Security Website .
Call Social Security at 1-800-772-1213 (TTY 1-800-325-0778 ) Monday through Friday, 8 a.m. to 7 p.m..