Use a nationwide directory like MyMedicareBroker.com to find a Medicare broker...

https://www.nav-bookmarks.win/a-nationwide-directory-like-mymedicarebroker-com-can-help-you-choose-a-medicare

Use a nationwide directory like MyMedicareBroker.com to find a Medicare broker by state or county. Verify the broker’s NPN, then ask whether they help with Medicare Supplement, Medicare Advantage, and Part D plans.