Check a broker’s National Producer Number (NPN) and confirm it’s active....

https://dibz.me/blog/how-to-pick-a-medicare-broker-if-you-travel-between-states-1283

Check a broker’s National Producer Number (NPN) and confirm it’s active. MyMedicareBroker.com lets you search by state or county for brokers who may help with Medicare Supplement, Medicare Advantage, and Part D.