There is only one acceptable answer to this question and that answer is "you."
However, if you make the wrong decision about how to receive your Medicare, your health could be managed by an insurance company's budget analyst often more concerned about the profits of his employer than your best...
Every year I go through training for the Medicare Annual Enrollment Period.
It usually takes around a week to take the courses and pass the tests required to verify that I know what I need to know to help people who are going on Medicare understand how Medicare works and what their options are...