Description
The agency is revising its vaccine policy for Apple Health (Medicaid) clients to also include the Washington State Department of Health’s recommendations. This change aligns with Engrossed Substitute House Bill 2242, 2026 Regular Session.

Agency contacts

Rulemaking contact
Program contact
Rulemaking status history

Preproposal (CR101)

00466: ProviderOne outage planned for Saturday, March 14, 2026, through Sunday, March 15, 2026
Discovery log number
0466
Discovery description

The ProviderOne system will be unavailable from 5:30 a.m. Saturday, March 14 until 8 a.m. Sunday, March 15 (26.5 hours) due to scheduled maintenance.

This outage does not affect the Pharmacy POS

Pharmacies will still be able to submit claims for processing and faxes can be sent during the outage. Faxes will be processed after the outage is complete.

Please report any issues to:  mmishelp@hca.wa.gov.

Thank you.

Date reported
ETA
Provider impact
All Providers
Workaround
Please report any issues to: mmishelp@hca.wa.gov.