Saint Alphonsus Health Alliance providers serve patients throughout southwestern Idaho, eastern Oregon and northern Nevada. This search is provided to show who is a member of the Saint Alphonsus Health Alliance. Most providers listed on this site accept additional insurance plans other than the Saint Alphonsus Health Alliance products noted on this site. Please check with your health plan provider to be certain a provider is included in your plan before you schedule a visit. For a list of health plan providers and links to their provider directories, click here.