Medicaid / ProviderOne
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Select one to request more information about Medicaid in Washington State:

If you are looking for more information about eligibility, health plans, services cards or finding a provider click here:
If you are a provider with questions about enrollment, billing policy, a claim denial or service limitations click here:
HCA Home | Privacy Policy | Accessibility | Contact HCA
For comments or questions: contact Medicaid.
Report Fraud: 1-800-562-6906
Report child, adult, or elder abuse: 1-866-END-HARM (1-866-363-4276)