Questions?
                
                        Do you have questions about your prescription benefits, or a specific question about prior authorizations for retail drugs?
                
                
                    Please call Viva Health Customer Service during regular business hours (Monday-Friday, 8:00a.m.-5:00p.m.) at 1-800-294-7780.
                
                    If you have questions after hours, or if you have a specific question about prior authorizations for specialty drugs or your home-delivery prescriptions, call Express Scripts® Customer Service at 1-855-778-1485.