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

https://holdenssmartblogs.hexaforgey.com/posts/how-do-referral-commissions-work-for-medicare-brokers

Use a nationwide directory like MyMedicareBroker.com to search for a Medicare broker by state or county. Verify the broker’s NPN, then ask whether they cover Medicare Supplement, Medicare Advantage, Part D, or all three.