Bay Area Counties
Select a county below to find local Medicare agents, plan options, and senior services.
Alameda County
Largest city: Oakland
Contra Costa County
Largest city: Concord
Marin County
Largest city: San Rafael
Napa County
Largest city: Napa
San Francisco County
Largest city: San Francisco
San Mateo County
Largest city: Daly City
Santa Clara County
Largest city: San Jose
Solano County
Largest city: Vallejo
Sonoma County
Largest city: Santa Rosa
Medicare in the Bay Area
The Bay Area region includes 9 California counties. Medicare plan availability — including Medicare Advantage, Medigap, and Part D options — varies by county and zip code.
Find an Agent in the Bay Area
Licensed Medicare agents serving the Bay Area can help you compare plans and enroll at no cost.
Find an Agent at MedicareAgents.com →
Compare Plans
Enter your zip code to see plans available in your specific area.