we care about our members

We have a passion for health care. WHA is all about helping people obtain quality health care. We also support medical innovation and promote whole-person health to suit the various needs of the communities we serve. WHA offers affordable coverage to employer groups, individuals and families, for every stage of life. We help our members stay healthy and facilitate the care they need when they need it.

 we love being local

WHA prides itself in being the choice of thousands—from Fairfield to Fremont and Penryn to Petaluma. Your community is our community. We strengthen our neighborhoods and enrich the lives of community members by supporting local organizations. We affect positive change in our community through charitable outreach and volunteer efforts. Supporting the communities where we live and work is one of WHA’s core values.

 we’re always here for you

We build long-term, personal relationships because we’re easy to work with, reliable and innovative. The mission of our local service team is 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. 

 we’re proud of our reputation

For over 20 years and counting, we’ve been a reliable partner in your community. We are known for acting with integrity and for interacting honestly with our partners while building relationships of trust. We support the doctor-patient relationship and offer access to quality doctors and hospitals. 

You trust your doctor to give you the best care possible, and your doctor trusts WHA. More than 94 percent* of our providers would recommend WHA to other physicians.

*94.7% of WHA providers would recommend WHA to other physicians’ practices and colleagues based on our 2016 NCQA Provider Satisfaction Survey.


 key facts

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 13 Northern California counties (Sacramento, El Dorado, Placer, Yolo, Colusa, Solano, Napa, Sonoma, Marin, San Francisco, San Mateo, Alameda and Contra Costa). 

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.

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