Provider Contacts and Billing Information
Please contact our Provider Relations team at 800-440-5020 (option 3) or by email at providergroup@thezenith.com if you need:
- Help with finding network physicians or ancillary service providers
- Information about our pharmacy benefit management program and other Zenith programs
Submit bills, reports, and other medically-related correspondence by mail or fax:
Zenith Insurance Company
P.O. Box 5167
Boone, IA 50950-0167
Fax
California: 877-280-4701
Other States: 800-364-0443

