Medicaid Washington

Summary

Medicaid Washington is a dental and medical payer operating in Washington. Claims route under payer ID AIDWA, with 9 alternate IDs in use across clearinghouses. Through clearinghouses it supports eligibility checks, claim status inquiries, professional claims, institutional claims, and electronic remittance (ERA); ERA enrollment is required and activates within hours.

At a glance

Payer ID

AIDWAAlso seen as 10424, 12K27, 1482, 77045, 916001088, CKWA1 and 3 more

Also known as

Apple Health, Medicaid Washington (ProviderOne), Washington Apple Health, Washington Medicaid, Washington State Department of Social and Health Services

Service area

WA

Clearinghouse transaction setup

Which EDI transactions this payer supports, and how long clearinghouse enrollment typically takes when it is required.

Common questions

What is the payer ID for Medicaid Washington?

The payer ID for Medicaid Washington is AIDWA. Alternate IDs seen across clearinghouses include 10424, 12K27, 1482, 77045.

Does Medicaid Washington require ERA enrollment?

Yes. Medicaid Washington requires a separate ERA (835) enrollment before electronic remittances flow, and setup typically takes a few hours.

What states does Medicaid Washington cover?

Medicaid Washington operates in WA. Coverage can differ by plan and product line, so confirm the specific plan before you file.

What types of coverage does Medicaid Washington offer?

Medicaid Washington covers dental and medical.

Can I submit claims to Medicaid Washington electronically?

Yes. Medicaid Washington is reachable through clearinghouses for eligibility checks, claim status inquiries, professional claims, institutional claims, and electronic remittance. Electronic claims are supported for professional (837P) and institutional (837I).