Savvy Senior: What is an annual notice of change?

Dear Savvy Senior,

Last year I received a “notice of change” letter from my Medicare provider. Should I expect another one this year, and what should I do with it?

Medicare Rookie

Dear Rookie,

The letter you’re asking about is actually referred to as the Annual Notice of Change (or ANOC), which is a letter you receive from your Medicare Advantage or Medicare Part D prescription drug plan...