Use a nationwide directory like MyMedicareBroker.com to search for a broker by...

https://griffinucyk847.iamarrows.com/what-does-verified-credentials-mean-in-a-broker-directory

Use a nationwide directory like MyMedicareBroker.com to search for a broker by state or county. Verify the broker’s NPN and ask what they cover: Medicare Supplement, Medicare Advantage, and Part D offerings can vary.