Mailing address: PO Box 91059 Seattle, WA 98111-9159
View claims and billing forms
Call 877-342-5258, option 2, for help with:
Provider Contacts - One-page reference sheet of Premera addresses and phone/fax numbers.
Send your new credentialing application to Premera by mail, fax, email or through ProviderSource.
Mail: PO Box 327 - MS 263 Seattle, WA 98111-0327
ProviderSource: Learn more about ProviderSource.
You can reach us at 877-342-5258, option 4 or email us with any questions. We're currently working on email requests submitted on July 1. Please see the Join Our Network page for credentialing information.
Has your office information changed recently?
Be sure to email us a completed provider update form if you have any of the following office changes:
Help our members find you
Also make sure your information is current in our provider directory. Please make sure that providers are only listed at locations where they accept appointments. The Centers for Medicare and Medicaid Services (CMS) calls your practice on a regular basis to confirm that you’re following this requirement and if your information is current in the directory.
To reach us by phone, please call the customer service number on the back of the member's ID card.
Mailing address: PO Box 91102 Seattle, WA 98111-9202
View appeals forms
For issues with your OneHealthPort user ID or password, call OneHealthPort at 800-973-4797.
Call Clinical Review at 877-342-5258, option 3, for help with:
Fax inpatient admission notification forms and related medical records to 888-742-1487.
Fax prior authorization request forms to 800-843-1114.
Call Customer Service at 888-850-8526, 8 a.m. to 8 p.m., Monday through Sunday.Call Utilization Management at 855-339-8127, 9 a.m to 9 pm., Monday through Friday. If urgent (after-hours) call 866-322-6287, from 9 p.m. to 9 a.m., Monday through Friday.Fax (24-hour) at 866-809-1370
Call the EDI team at 800-435-2715 if you have questions related to our electronic claims clearinghouse.
Call Pharmacy Services at 888-261-1756 for help with: