first.dba Business Clients
Contact your Client Service Manager or General Sales: 1.877.309.5345
Proposal Inquires: PharmacyProposalServices@Optum.com
Prior Authorization: 1.800.711.4555, option 1
Pharmacy Benefit Members (Customers)
Customer Service, 24 hours a day, 7 days a week
Customer Service, Mail Service Pharmacy: 1.800.562.6223
Medicare Prescription Drug Plan Members (PDP): 1-877-889-5802
Medicare Advantage Prescription Drug Plan Members (MAPD): 1-877-889-6358
Customer Service for Specialty Pharmacy, including injectable medications: 1.866.218.5445
Use our online feedback form for non-urgent questions related to your benefits or to provide us comments and suggestions to improve our website.
P.O. Box 509075
San Diego, CA 92150-9075
Public Relations: 1.866.302.4478
If you are experiencing a medical crisis, please call 911, or contact your local emergency assistance service immediately.