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 we care about you

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 are here to help you stay healthy and facilitate the care you need when you need it.

 we’re proud of our reputation

For 22 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 a relationship of trust. We support the doctor-patient relationship and offer access1 to quality doctors and hospitals.

 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 brokers. You can easily reach us in person or on the phone. We’re responsive and make decisions without delay.


Hill Physicians

Hill Physician logo



Meritage Medical Network


UC Davis

UC Davis Medical Group


Northbay Healthcare

Northbay Healthcare

Vacaville: 707.624.7500
Fairfield: 707.646.5500
Green Valley: 707.646.3500

Mercy Medical Group

Mercy Medical Group


Woodland Clinic

Woodland Clinic




 Tools for healthy living:

We believe that you deserve every opportunity possible to reach your health goals. When you choose Western Health Advantage, you'll have access to a suite of health and wellness programs, from instructor led classes to disease management programs.

 UC Living Well: Health & Wellness

UC employees have additional health and wellness resources through UC Living Well. To learn more visit the UC's Living Well website.

 UC Davis Activities and Recreation Center
You are the most significant source of your own wellness and health, and there is much you can do to pursue them. Taking charge of your own lifestyle with regular exercise or participation in recreational activities that help you remain fit is one of the most important things you can do.

As a University of California employee, you have access to The ARC, the UC Davis recreational sports facility where you can find many individual and group fitness programs and sports activities that you can tailor to your needs and wellness goals. For more information, please visit the University's website.

 Mental Health Services:

Optum Health
Behavioral health services, including chemical dependency services, are not covered by Western Health Advantage. Mental health and substance abuse services are covered through Optum, the supplemental coverage provided by your employer. You may reach Optum at 888.440.8225.

 Pharmacy Services:

Express Scripts
Manage your prescription medication with  24/7 convenient, online access. Express Scripts online services include: ordering refills, renewing prescriptions, and comparing coverage and pricing. Download the free Express Rx app for added convenience. 

You can now obtain a 90-day supply of your prescription at a retail chain pharmacy. Here's how to take advantage of this new benefit:

  • Obtain prescription form at a WHA participating provider
  • Take script to a retail chain pharmacy, i.e., Raley's, Safeway, CVS, Riteaid, etc.
  • Go to to find participating pharmacies or call 800.282.2881
  • If you have a 30-day maintenance prescription being filled at a pharmacy or a 90-day supply being filled at a mail-order, you must get a new prescription from your doctor

Please see your copayment summary below for more information on your health plan benefits.

 Find a Doctor:

Use our provider search to find a doctor with an office location nearest you. Access to UCD providers is open to all UC employees regardless of location, provided they live or work in the WHA service area.


 University of California Plan Documents:

UC Davis Benefit Comparison

 1A member’s access to doctors and hospitals varies by network. Search our provider directory for details.

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