Use a nationwide directory like MyMedicareBroker.com to search for a broker by...
https://angelopwfn150.tearosediner.net/how-to-report-an-inaccuracy-in-a-press-release-like-this
Use a nationwide directory like MyMedicareBroker.com to search for a broker by state or county, then verify their National Producer Number (NPN). Before reaching out, check whether they work with Medicare Supplement, Medicare Advantage, and Part D plans.