Thank you for your interest in becoming a participating provider within the Western Health Advantage network. All providers are delegated through Western Health’s contracted medical groups, IPAs, hospital system and partners.

WHA Service Area

  • Sacramento County
  • El Dorado County
  • Marin County
  • Napa County
  • Placer County
  • Solano County
  • Sonoma County
  • Yolo County

To search by zip code, use our service area search.


Medical Group/IPA Professional Services by County

Sacramento, El Dorado, and Placer County
  • Hill Physicians
  • Mercy Medical Group
Yolo County
  • Woodland Healthcare Medical Group
Solano County
  • North Bay Medical Group
Marin, Napa, and Sonoma County
  • Meritage Medical Network

Hospital Base Services (including DME and ambulance)

Sacramento, El Dorado, and Placer County
  • Dignity Health
Solano County
  • North Bay Medical Center
Marin County
  • Marin General Hospital
  • St. Joseph Health Facilities

WHA's Partners in Care

Chiropractic and Acupuncture Services
  • Landmark Healthplan of California
Vision Services
  • MESVision
Dental Services
  • Premier Access
Behavioral Health and Chemical Dependency
  • Magellan Behavioral Health

Learn more about WHA’s partners.

The site you are transferring to is not hosted by WHA. WHA's Terms of Use and internet Privacy Practices do not apply to your use of this linked site. Please review the policies on privacy and terms of use for the linked site. WHA does not control the accuracy, completeness, or timeliness of the content on the linked site.

Press Esc to cancel

El sitio Web al que está siendo transferido no es provisto por WHA. Las Condiciones de Uso y las Prácticas de Privacidad en Internet de WHA no se aplican a este sitio Web asociado que usted está usando. Revise las políticas sobre la privacidad y condiciones de uso de este sitio Web asociado. WHA no tiene control sobre la exactitud, la totalidad o la actualidad del contenido del sitio Web asociado. WHA no puede garantizar que los servicios de traducción de idiomas estarán disponibles en el sitio vinculado.

Presione «Esc» para cancelar