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Montana

Contact Information

Corporate Office(s)

Address: 1111 Third Avenue, Suite 1100, Seattle, WA 98101 
Phone: (800) 842-8000

Employer Group Sales (2-99)

Phone: (866) 432-5992

Network Management

Address: 1111 Third Avenue, Suite 1100, Seattle, WA 98101 
Phone: Call (866) 574-6088 for contractual inquiries. Call (877) 842-3210 for demographic changes.

Provider Relations

Washington Physician & Hospital Advocate Team
Phone: 
(800) 829-2925
Include physician name, contact name & #, tracking #, TIN, and brief description of issue.

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