If you want to enroll in Medicare Part B, you can do so when you first become eligible for Medicare via the Social Security Administration (SSA) website. This is the quickest sign-up option.
Jan. 15—Dear Toni: I turned 65 in November and enrolled in Medicare. I received a letter from Social Security stating that I must pay $527.50 for Part B and $70 for Part D totaling $597.50 monthly.