About WHA

Headquartered in Sacramento, Western Health Advantage is a non-profit HMO health plan founded in 1996 with a community-based mission by doctors and health care providers.  WHA is consistently recognized for quality and delivering value to our members. With a focus on being a market leader in affordability since its inception, WHA serves 9 Northern California counties (Sacramento, El Dorado, Placer, Yolo, Colusa, Solano, Napa, Sonoma and Marin). 

The WHA provider network includes major hospitals and medical centers and thousands of local, trusted doctors and specialists from several medical groups. We are proud of the exceptional range and reputation of our health care providers.

Our Founders

Mercy/Dignity Health Sacramento is a California non-profit benefit corporation. Mercy Medical Group provides health care services to Sacramento area families through its contracted multi-specialty group of more than 200 practitioners. Mercy Medical Group is an affiliate of Dignity Health and Mercy hospitals in Sacramento (including Mercy General Hospital, Mercy San Juan Medical Center, Mercy Hospital of Folsom, and Methodist Hospital of Sacramento).

NorthBay Healthcare is a non-profit health care organization serving Solano County since 1960. Its hospitals which include NorthBay Medical Center in Fairfield and NorthBay VacaValley Hospital in Vacaville, are known for their advanced, compassionate care. The NorthBay Center for Primary Care, with offices in Fairfield, Vacaville and Green Valley, is a partnership between NorthBay Healthcare and a group of respected, local physicians.

we’re passionate about health care

We are all about helping people obtain quality health care. We support medical innovation and promote whole-person health to suit the various needs of the communities we serve. We offer affordable coverage to employer groups, individuals and families, for every stage of life. We are here to help you stay healthy and facilitate the care you need when you need it.

we’re proud of our reputation

Since 1996, we’ve been a reliable partner in the communities we serve. We are known for acting with integrity and for interacting honestly with our partners. We build personal relationships with our members, providers, and communities. As a provider-sponsored health plan, we support the doctor-patient relationship and offer access to quality doctors and hospitals.

Note: A member’s access to doctors and hospitals varies by network. Search our provider directory for details.

we’re community-focused

We pride ourselves in being the choice of thousands—from Penryn to Petaluma and Fairfield to Folsom. Your community is our community. We strengthen our neighborhoods and enrich the lives of community members by supporting local organizations. Supporting the communities where we live and work is one of our core values.

we’re always here for you

We’re here to provide exceptional service to our members, providers and partners. You can easily reach us in person or on the phone. We’re responsive and make decisions without delay.

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