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Employee Medical Plan Options

Medical images on blocks being stacked in a pyramid

The County of Sonoma recognizes that every employee and their family's needs are unique. With four different health plan carriers, the County offers PPO and HMO plans to ensure your family has access to the services that best suit their needs.

PPO Plans -County Health Plan (CHP) PPO plans are self-insured plans administered by Anthem Blue Cross and CVS Caremark (pharmacy services). The PPO plans offer health coverage to residents throughout the US. These plans allow you to visit in-network physicians, specialists, and medical laboratories of your choosing without the need for referral. While it is always financially beneficial to utilize in-network services, you may be able to utilize out-of-network services (depending on the plan you choose).

HMO Plans - The County offers HMO plans with Kaiser Permanente, Sutter Health Plus and Western Health Advantage. You must live or work in the providers service area to be eligible for an HMO plan. HMO plans require a Primary Care Physicians referral for specialist and medical laboratory services. HMO plans generally offer a lower monthly premium than a PPO plan.

2024-2025 Employee Semi-Monthly Medical Premiums

Medical Plan Comparison Charts

PPO Plans - County Health Plan (CHP)


HMO Plans - Kaiser Permanente, Sutter Health Plus and Western Health Advantage


Learn More About the Health Plan Carriers

No Surprises: Understand your rights against surprise medical bills

The No Surprises Act protects people covered under group and individual health plans from receiving surprise medical bills when they receive most emergency services, non-emergency services from out-of-network providers at in-network facilities, and services from out-of-network air ambulance service providers.

For more information, review Your Rights and Protections Against Surprise Medical Bills.