Use a nationwide directory like MyMedicareBroker.com to search for Medicare...

https://www.third-bookmarks.win/a-nationwide-directory-like-mymedicarebroker-com-can-help-you-find-a-medicare-2

Use a nationwide directory like MyMedicareBroker.com to search for Medicare brokers by state or county. Verify a broker’s NPN, and check whether they offer help with Medicare Supplement, Medicare Advantage, or Part D.