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Corporate HeadquartersCorporate Headquarters999 Lake Drive Issaquah, WA 98228 Mailing Address:P.O. Box 34718Seattle, WA 98124 Pharmacy Reimbursement QuestionsIf you have concerns about reimbursement contact Costco Health Solutions at 1-877-908-6024 or email chsreimbursement@costco.com. Concerns or appeals of decision may be submitted within 90 days of notice of the issue, no particular form is required. initial appeal process is available for all prescription drugs or devices for which a pharmacy alleges it did not receive its actual cost |
MembersPlease contact Costco Health Solutions Customer Care toll- free at the number listed on your pharmacy benefit member ID card. TTY (Toll- Free): 1-877-908-6024 Member FeedbackTo provide any member feedback, please contact CHSMemberFeedback@costco.com. |
SalesGeneral Sales Inquires: 1-425-416-4115
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