optumrx phone number customer service
Optumrx Customer Support Service Phone Number The customer support phone number of Optumrx is 1.800.788.4863, 1.800.498.5428 (Click phone number to call). data-ad-slot=7829909793> Optumrx Customer Service Phone Number Phone Number of Optumrx is 1.800.788.4863, 1.800.498.5428. OptumRx in one of the major pharmacy benefit providers in the United States. It is a mail order pharmacy. The Pharmacy handles all the Medicare benefits, provided by government and other companies and organizations to its employees.