Skip to main content

Find Medicare Insurance Agents Near You in Sonoma, CA

Browse medicare insurance agents serving Sonoma, California. Contact information and addresses listed below.

15 agents listed
Updated May 2026
Sonoma, CA
Important: Listings are compiled from publicly available sources and have not been independently verified by BeforeInsuranceUSA.com. We do not endorse any agent or guarantee outcomes. Verify licensing and disciplinary status with the Department of Insurance of California before hiring.
Showing 15 medicare insurance agents in Sonoma, CA Listings are displayed in no particular order and are not ranked by BeforeInsuranceUSA. Order does not constitute a recommendation or endorsement of any agent.
Katie Chase - State Farm Insurance Agent
772 W Napa St, Sonoma, CA 95476
(707) 938-1680 katiechaseinsurance.com
Lemus Insurance Agency & Car Registration
589 5th St W, Sonoma, CA 95476
(707) 938-7642 lemusinsurance.com
Christine Tickner - State Farm Insurance Agent
710 W Napa St Suite 2, Sonoma, CA 95476
(707) 996-4800 christinetickner.net
Jennifer Matto: Allstate Insurance
579 1st St W, Sonoma, CA 95476
(707) 938-8901 agents.allstate.com
Christa Granton Insurance Services
670 W Napa St suite g, Sonoma, CA 95476
(707) 938-4998 grantoninsurance.com
RealCare Insurance
430 W Napa St F, Sonoma, CA 95476
(800) 996-0599 realcareprograms.com
Relation Insurance Services
25 McDonell St, Sonoma, CA 95476
(707) 996-6738 relationinsurance.com
Zellers Insurance and Financial Services
18997 CA-12, Sonoma, CA 95476
(707) 996-5282
Sonoma Valley Insurance Agency
1055 Broadway h2, Sonoma, CA 95476
(707) 935-6294 sonomavalleyinsurance.com
Farmers Insurance
17509 CA-12, Sonoma, CA 95476
(707) 363-9393 agents.farmers.com
Apollo General Insurance Inc
389 4th St E, Sonoma, CA 95476
(707) 996-2912 apgen.com
Farmers Insurance - Eileen Keister
17655 CA-12, Sonoma, CA 95476
(707) 343-7510 agents.farmers.com
Cook & Associates Insurance Advisors
21870 8th St E, Sonoma, CA 95476
(707) 935-7362 cookinsurancebrokers.com
MacKenzie Agency
19328 Loretta Ct, Sonoma, CA 95476
(707) 328-2405
Farmers Insurance - Jeffrey Martin
670 W Napa St # J, Sonoma, CA 95476
(707) 996-3632 agents.farmers.com

Medicare insurance agents in Sonoma California help residents navigate Original Medicare Medicare Advantage and Part D drug plans. California law requires agents to be licensed by the California Department of Insurance and to follow strict disclosure rules. Local agents understand Sonoma County health networks and can explain how California-specific programs like Medi-Cal coordinate with Medicare.

What Does a Medicare Insurance Agent in Sonoma Cost?

Medicare insurance agents in California do not charge you directly for their services. They are paid commissions by the insurance companies. Medicare Part B premiums in 2025 are typically around $185 per month for most people but can be higher based on income. Medicare Advantage plans often have $0 monthly premiums but may have copays and deductibles. Medigap plans in California can range from about $100 to over $300 per month depending on your age location and plan type. This is general information and not insurance advice.

* Cost estimates are general ranges based on publicly available data and compiled using automated research tools. Actual fees vary by agent and case complexity. This is not insurance advice — consult directly with an agent for fee specifics.

Frequently Asked Questions

What does a Medicare insurance agent in Sonoma do?
A Medicare insurance agent helps you compare plans from different carriers and enroll in coverage that fits your needs. They explain the differences between Original Medicare Medicare Advantage and Part D. Agents in California must be certified by the plans they sell and cannot charge you a fee for their services.
When can I enroll in Medicare in Sonoma California?
You have a seven-month Initial Enrollment Period starting three months before the month you turn 65. California also has a Special Enrollment Period if you lose other coverage. The Annual Enrollment Period runs from October 15 to December 7 each year.
Are there California rules that affect Medicare plans in Sonoma?
Yes. California requires Medicare Supplement plans to be guaranteed issue during the six-month Medigap Open Enrollment Period. After that insurers can use medical underwriting. California also has a state-specific Medicare Savings Program that helps pay premiums and cost sharing for eligible residents.