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

https://donovanpxcr343.wpsuo.com/first-time-medicare-shopper-what-questions-should-i-ask-a-broker

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.