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first.dba Business Clients

Contact your Client Service Manager or General Sales: 1.877.309.5345
Proposal Inquires:  PharmacyProposalServices@Optum.com


Physicians

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
TDHI: 1.800.498.5428

Medicare Prescription Drug Plan Members (PDP): 1-877-889-5802
TDHI: 1.866.394.7218

Medicare Advantage Prescription Drug Plan Members (MAPD): 1-877-889-6358
TDHI: 1.800.498.5428

Customer Service for Specialty Pharmacy, including injectable medications: 1.866.218.5445
TDHI: 1.800.498.5428


Website

Use our online feedback form for non-urgent questions related to your benefits or to provide us comments and suggestions to improve our website.


Postal Mail

other.dba
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.