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For Treatment/Authorizations, Benefits/Eligibility, Claims, Appeals or any other member-related issue, access the Secure Transactions on Provider Express or call the Customer Service number on the back of the member's ID card.

Provider Service Line: 877-614-0484

Fax Number: 866-388-1710

Olga Ponomarev, Provider Relations Advocate

Email: olga.ponomarev@optum.com4