Who is automatically enrolled in medicare part a and part b?

Individuals who are automatically enrolled in Medicare Part A and Part B are typically those who are 65 years or older and already receiving Social Security benefits or Railroad Retirement Board benefits. Additionally, individuals under 65 with certain disabilities or those with End-Stage Renal Disease (ESRD) or amyotrophic lateral sclerosis (ALS) may also be automatically enrolled. Enrollment occurs when they become eligible, with Part A coverage starting on the first day of the month they turn 65.