Use a nationwide directory like MyMedicareBroker.com to find a Medicare broker...

https://xeon-wiki.win/index.php/What_Questions_Should_I_Ask_About_Medicare_Supplement_Underwriting%3F

Use a nationwide directory like MyMedicareBroker.com to find a Medicare broker by state or county, then verify the broker’s NPN. Brokers may help with Medicare Supplement, Medicare Advantage, and Part D, so ask which options they cover.