California Health InsuranceThe Golden StateCall 855-367-1095Open 8 AM-10 PM Eastern time

Find coverage in California

Medicare open enrollment is open now, until December 7.

Medicare Advantage
Dental, vision and indemnity
AdvantageGuard
Tri-Term, Short Term and HPG
Medicare SupplementComing soon
ACA, under 652027 plans released November 1
Call 855-367-1095Open 8 AM-10 PM Eastern time

California counties

Medicare Advantage and marketplace plans are set by area, so start with your county. 58 listed.

CountyPopulation (2023 est.)Rank in CaliforniaMedicare plans leaving (2027)
Alameda County1,622,188713
Alpine County1,141584
Amador County41,811466
Butte County207,172284
Calaveras County46,565445
Colusa County22,037503
Contra Costa County1,155,02595
Del Norte County26,589493
El Dorado County192,215294
Fresno County1,017,1621014
Glenn County28,129483
Humboldt County133,985343
Imperial County179,0573111
Inyo County18,527525
Kern County913,8201111
Kings County152,6823312
Lake County67,878414
Lassen County28,861473
Los Angeles County9,663,345126
Madera County162,8583214
Marin County254,407265
Mariposa County16,919533
Mendocino County89,108384
Merced County291,920235
Modoc County8,500563
Mono County13,066555
Monterey County430,723214
Napa County133,216354
Nevada County102,037363
Orange County3,135,755324
Placer County423,5612210
Plumas County19,131513
Riverside County2,492,442420
Sacramento County1,584,288816
San Benito County68,175403
San Bernardino County2,195,611520
San Diego County3,269,973229
San Francisco County808,9881315
San Joaquin County800,9651417
San Luis Obispo County281,639248
San Mateo County726,3531515
Santa Barbara County441,257205
Santa Clara County1,877,592618
Santa Cruz County261,547253
Shasta County180,366304
Sierra County3,200573
Siskiyou County42,905453
Solano County449,218198
Sonoma County481,812175
Stanislaus County551,4301613
Sutter County97,948374
Tehama County64,896424
Trinity County15,670543
Tulare County479,4681812
Tuolumne County54,204435
Ventura County829,5901211
Yolo County220,5442716
Yuba County85,722394

Population: U.S. Census Bureau Population Estimates, 2023.

Talk with a licensed agent about California coverage

Call Lander LLC to go over your options. There is no cost to call or to speak with an agent, and you are never required to enroll in anything.

Call 855-367-1095 Open 8 AM-10 PM Eastern time

Reviewed by Richard Lander, licensed insurance agent (NPN 21255551), Lander LLC. Last updated October 3, 2026. This page is educational and is not a quote, an offer of coverage, or legal or tax advice.

Talk to an agent

Want help comparing plans and enrolling?

Call 855-367-1095 and a licensed agent will help you compare plans and enroll (Open 8 AM-10 PM Eastern time). There is no cost to you.

Medicare

Medicare Open Enrollment is happening now

You have until December 7th. Enter your ZIP to see the California plans we offer, or call and a licensed agent will go over them and enroll you. Calling is free, and you are never required to enroll.

Call 855-367-1095Open 8 AM-10 PM Eastern time
Under 65 · ACA

ACA Open Enrollment is open now

Open enrollment is on, and deadlines vary, so don't wait. Call and we'll help you find the right California plan.

Call for assistance finding the right plan855-367-1095Open 8 AM-10 PM Eastern time

Questions along the way? Call 855-367-1095 for assistance (Open 8 AM-10 PM Eastern time).