Amerigroup. An Anthem Company.

Washington Providers

Contact Amerigroup Washington, Inc.

Amerigroup Washington, Inc.

705 5th Ave. S.
Suite 300
Seattle, WA 98104

Local phone number: 1-206-695-7081

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Receive email from Amerigroup

Amerigroup is now sending some bulletins, policy change notifications, prior authorization update information, educational opportunities and more to providers via email.

Email a Provider Experience associate

Did you know that most questions and issues can be resolved by using the Amerigroup Washington, Inc. provider self-service tools? Please use Availity for inquiries like payment disputes, provider data updates, claims status, member eligibility, etc. You can also live chat with an Amerigroup associate from within the Availity Portal.

For other issues, you can message the Provider Experience team. Your Provider Experience representative will respond – usually within two business days.

English: 1-866-864-2544
Spanish: 1-866-864-2545

Amerigroup On Call is a telephonic, 24-hour triage service your Amerigroup patients can call to speak with a registered nurse who can help them:

  • Find doctors when your office is closed, whether after hours or weekends.
  • Schedule appointments with you or other network doctors.
  • Get to urgent care centers or walk-in clinics.
  • Speak directly with a doctor or a member of the doctor’s staff to talk about their health care needs.

We encourage you to tell your Amerigroup patients about this service and share with them the advantages of avoiding the emergency room when a trip there isn’t necessary or the best alternative. TTY services are available for the hearing impaired, and language translation services are available.

Do you have questions for our Technical Support team? Call us for assistance:

  • Amerigroup Amerivantage (Medicare Advantage) providers: 1-866-805-4589
  • All other providers: 1-800-454-3730

Provider tools & resources

Interested in becoming a provider in our network?

We look forward to working with you to provide quality service for our members.