A nationwide directory like MyMedicareBroker.com can help you search for a...

https://online-wiki.win/index.php/What_Is_an_NPN_Number,_and_Why_Should_I_Check_It%3F

A nationwide directory like MyMedicareBroker.com can help you search for a Medicare broker by state or county. Verify the broker’s NPN and licensing, then ask whether they cover Medicare Supplement, Medicare Advantage, and Part D.