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Please call 1-800-660-9840 for general issues.

Accounting

Phone number Payments only mailing*
1-800-660-9840, enter extension 4382 for accounting related questions Health Care Authority
Basic Health
PO Box 84891
Seattle, WA 98124-1737
* All group payments are processed at lockbox. Group payments must be sent with the remittance page of the billing statement.

Group Caseload

Caseload Name Phone number
all 360-725-0781
all 360-725-0770

Policy and Procedure Questions

If you have any policy or procedure type questions, please contact: