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Washington

Contact Information

Corporate Office(s)

Washington Corporate Office
Address: 1111 Third Avenue, Suite 1100, Seattle, WA 98101 
Main Phone: (206) 926-0251

Customer Service

Washington Commercial Member Customer Service
Main Phone: (800) 357-0978

Washington Provider Customer Service
Main Phone: (877) 842-3210

Employer Groups

Washington Group Sales
Address: 1111 Third Avenue, Suite 1100, Seattle, WA 98101 
Main Phone: (206) 926-0251

Network Management

Washington Network Management - Hospital, Physician & Ancillary Providers
Address: 1111 Third Avenue, Suite 1100, Seattle, WA 98101
Contractual Inquiries: (866) 574-6088
Demographic Changes: (877) 842-3210
 

Washington Skilled Nursing Facility Network Management
(see above for SNFs located in a hospital)

Address: WA
Contractual Inquiries: (866) 574-6088
Demographic Changes: (877) 842-3210

Brokers

Washington-Brokers
Address: 1111 Third Avenue, Suite 1100, Seattle, WA 98101

Provider Relations

Washington Physician & Hospital Advocate Team
Address: Be prepared to provide physician, contact name & #, tracking #, TIN, and brief description of issue
Toll Free Phone: (800) 829-2925

Washington Physician & Hospital Advocate Team (Clark County Only)
Address: Be prepared to provide physician, contact name & #, tracking #, TIN, and brief description of issue
Toll Free Phone: (800) 922-1444

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