fax claims
Provider bill submission - other states (fax and mail)
No phone listed for this route
Fax800-364-0443
Faxed medical bills and reports (states other than California)
Published hoursNot published in this record
workers comp
National contact — confirm product and location
Mailed medical bills, reports and medical correspondence (states other than California)
Fax and P.O. box for submitting medical bills, reports and medically related correspondence on Zenith workers' compensation claims outside California. Not for claimant or employer questions. Workers' compensation: a claim number and the adjuster or injured-worker identification are usually required; coverage is determined by the claim (not by a member ID), and state fee schedules and rules govern billing.
View source ↗ · Source checked 2026-10-25
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