How does auto enrollment work?

Who is this for?

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Most people are automatically enrolled in Original Medicare when they turn 65 and get Social Security benefits. There are also some other cases where you are automatically enrolled in Medicare. This page explains when you get coverage without having to do anything.

Many people who are turning 65 will be enrolled automatically in both parts of Original Medicare. Whether you are one of them depends on your situation.

You'll be automatically enrolled in Medicare Part A and Part B:

  • If you are already getting benefits from Social Security or the Railroad Retirement Board
  • If you are younger than 65 and have a disability
  • If you have Lou Gehrig’s disease, also called Amyotrophic Lateral Sclerosis, or ALS
You'll be automatically enrolled in Part A:
  • If you live in Puerto Rico and get benefits from Social Security or the Railroad Retirement Board. You'll have to apply for Part B.
You'll be automatically enrolled in Part D prescription drug coverage: