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California

Medicare Options in California by County for 2026

Medicare coverage options in California vary by County. Here, you can access all available plans for the 2026 plan year, including Medicare Advantage, SNP, Part D, and Medigap options, organized by county.

Choose your County below to explore plan availability, costs, and coverage details.

Enter a valid 5-digit zip code.

Access Plans in your area using your ZIP Code

Alameda
Alpine
Amador
Butte
Calaveras
Colusa
Contra Costa
Del Norte
El Dorado
Fresno
Glenn
Humboldt
Imperial
Inyo
Kern
Kings
Lake
Lassen
Los Angeles
Madera
Marin
Mariposa
Mendocino
Merced
Modoc
Mono
Monterey
Napa
Nevada
Orange
Placer
Plumas
Riverside
Sacramento
San Benito
San Bernardino
San Diego
San Francisco
San Joaquin
San Luis Obispo
San Mateo
Santa Barbara
Santa Clara
Santa Cruz
Shasta
Sierra
Siskiyou
Solano
Sonoma
Stanislaus
Sutter
Tehama
Trinity
Tulare
Tuolumne
Ventura
Yolo
Yuba

Plan availability, premiums, and benefits are based on CMS data for the 2026 plan year and may vary by county.

Information is updated as new Medicare plans, enrollment, and performance data becomes available from CMS.

Updated: May 16, 2026.

Page content independently curated and maintained by David W. Bynon, Editorial Steward, using a standardized, data-driven methodology for accurate, non-commercial Medicare plan interpretation and resolution.

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MedicarePlans.com is an independent, non-commercial Medicare data platform.
Editorial stewardship: David W. Bynon