In observance of Thanksgiving, state offices will be closed Thursday, November 27, 2025 and Friday, November 28, 2025. As a result, provider payments for the week of November 24, 2025 will be made on Wednesday, November 26, 2025, including the delivery of Remittance Advices (RAs) and HIPAA 835 remittance files.
Claim submission deadlines have been moved up to ensure that providers are able to receive payment and RA documents on November 26, 2025.
The deadline for submission of claims to ProviderOne for payment during the week of Thanksgiving will be Sunday, November 23, 2025, by 5 p.m.
The deadline for submission of pharmacy claims to the Point of Sale (POS) during the week of Thanksgiving will be Saturday, November 22, 2025, by 5 p.m.
Please report any issues to: mmishelp@hca.wa.gov.
Thank you.
The ProviderOne system will be unavailable from 11 a.m. until 8 p.m. on Saturday, November 8, 2025 (9 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.