Washington App Request | Providers – Amerigroup

Two-step application and credentialing process

Become a state-approved Washington programs provider:

Become an Amerigroup Washington, Inc. provider:

If you are with a group or practice that is not currently contracted with Amerigroup:

  • Submit a W-9 to wacontractintake@anthem.com
  • A contractor will review and advise on the next steps when available.
  • Please allow at least 30 days before inquiring for follow-up status.
  • All status requests should be sent to wacontractintake@anthem.com.

If you are with a group or practice that is currently contracted with Amerigroup:

  • Please submit an application on either:

One Health Port or Council for Affordable Quality Healthcare(CAQH).

  • Send notice to wacredentialing@amerigroup.com with provider name and NPI that application is ready.

If you are not sure if your group or practice is contracted with Amerigroup:

  • Please call 1-800-454-3730 to inquire

If you are with an optometry or ophthalmology practice:

Please contact EyeQuestProviderServices@dentaquest.com.

If you have questions about our process or need help, our contact information is below:

  • Email
  • Phone: 1-800-454-3730
  • Fax: 1-855-270-9583