Enrolling in Medicare Part B – whether you are just turning 65 or have worked past 65 If you are self-employed or retired when you turn 65, signing up for Medicare Part B is a very simple process. You simply go to the Social Security website, www.ssa.gov, and do it on-line.

All Medicare beneficiaries must be enrolled in both Medicare Part A and B before they are allowed to enroll in a Medicare Supplement or Advantage policy. The standard Part B premium amount in 2025 is $185. Most people pay the standard Part B premium amount. If your Modified Adjusted Gross Income