Amerigroup. An Anthem Company.

Washington Providers

Welcome, providers!

Resources that help health care professionals do what they do best — care for our members.


At Amerigroup Washington, Inc., we value you as a provider in our network. That's why we’ve redesigned the provider site to make it more useful for you and easier to use.


Interested in joining our provider network? We look forward to working with you to provide quality services to our members.

COVID-19 information

Amerigroup Washington, Inc. is closely monitoring COVID-19 developments and how they will impact our customers and our health care provider partners.

Synagis Season

The Washington State Health Care Authority has updated the 2022/2023 Synagis® season to allow a total of five doses between October 15, 2022, and April 30, 2023. Managed care plans should notify providers, both prescribers and pharmacies, of this change and begin accepting Synagis requests.

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.

Availity access

The Availity Portal offers health care professionals free access to real-time information and instant responses in a consistent format regardless of the payer.

At Availity you can:

Request authorizations
Submit claims
Confirm eligibility
 

Washington Foundational Community Supports

Foundational Community Supports (FCS) is a program offering benefits for supportive housing and supported employment for Apple Health-eligible beneficiaries with complex needs.

Provider News

The latest articles and announcements on claims filings, products, benefits, administrative updates, new and revised procedures and guidelines, prescription information, and more.

Apple Health (Medicaid) updates

Providers must be in Active Status with HCA

The Health Care Authority (HCA) has announced that they will begin rejecting encounters for providers who are not in active status in ProviderOne. Effective January 1, 2022, Amerigroup Washington, Inc. will begin rejecting claims for providers who are not in active status with the HCA. Providers must be on the HCA Active-Open list to receive claim reimbursement. NPIs that are still in Pending status with the HCA are not considered active, and claims will reject.

Register Today: Continuing to Explore the Intersection of Race and Disability

Register today for the Exploring the Intersection of Race and Disability forum hosted for providers on September 21, 2022. We believe that continuing the discussion we started at our June 2022 event to deepen the conversation about the disability experience for people of color is critically important.

Healthy Rewards Flier 2022

The Healthy Rewards Program helps you increase your quality scores and our members earn rewards.

April 2022 PDL changes

As of April 1, 2022, Apple Health contracted managed care organization (MCO) and fee-for-service (FFS) plans made changes on the Apple Health Preferred Drug List (PDL), to make some brand name products preferred and their associated generic products non-preferred with prior authorization required.

Dementia care planning

Washington Health Care Authority (HCA) implemented Evaluation and Management (E/M) code 99483 for comprehensive assessment and care planning. The purpose of this service is to provide access to clients requiring this service who are not covered by Medicare — this is a Medicare-covered service.

Medicare updates

Medicare Advantage - Register Today: Continuing to Explore the Intersection of Race and Disability

Register today for the Exploring the Intersection of Race and Disability forum hosted for providers on September 21, 2022. We believe that continuing the discussion we started at our June 2022 event to deepen the conversation about the disability experience for people of color is critically important.

Medicare Advantage - Professional Claim Billing Quick Tips

Quick tips to filing a complete and correct professional claim

Medicare Advantage — Join us in talking about racism and its impact on health

At Amerigroup Washington, Inc., we are committed to addressing racism in our society through open discussions about trauma, injustice, and inequality. These conversations are critical to improving the wellbeing of all Americans and the communities in which we live and serve.

Medicare Advantage — PN for UM AROW Item 1330

On April 1, 2021, Amerigroup prior authorization (PA) requirements will change for the following codes.

Updates to AIM Clinical Appropriateness Guidelines for Radiation Oncology

Medicare Advantage — New MCG Care Guidelines 24th edition Viral Illness

Featured resources

Pharmacy information

Search for up-to-date drug information, including hundreds of brand-name and generic medications.

Maternal child program

When it comes to our pregnant members, we are committed to keeping both mom and baby healthy. We encourage all our moms-to-be to take part in the Taking Care of Baby and Me® program, a comprehensive, proactive case management and care coordination program for all expectant mothers and their newborns.

Behavioral health provider

We work collaboratively with hospitals, group practices and independent behavioral health care providers, community and government agencies, human service districts, and other resources to meet the needs of members with mental health, substance use, and intellectual and developmental disabilities.

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.