You can mail or fax a completed Form CMS-40B to your local Social Security office .
Call Social Security at 1-800-772-1213 (TTY 1-800-325-0778 ) Monday through Friday, 8 a.m. to 7 p.m.. how to buy medicare part b
You can buy Medicare Part B (Medical Insurance) through the , even though it's a Medicare program. You can mail or fax a completed Form