One Call

OtherVERIFIED

Overview

Payer

States / regions: Not yet mapped
Lines of business: Workers' Comp
Directory entries: 1

Verified contacts

Contact information

Official websiteNational · Workers' Comp: https://onecallcm.com/ (opens in a new tab)Verified · August 2026
Provider ServicesNational · Workers' Comp: 1 (800) 872-2875Verified · August 2026

Every contact is individually source-tracked with its verification date. A green “Verified” badge only appears when a source and date exist — see the payer contacts page for full source detail.

State / LOB scopes

Directory entries

One CallNational · Workers' CompNot Verified

AR workflows

Payer-specific denial guidance

Under development: Note

Payer-specific workflows — corrected claims, reconsideration, appeals, timely filing, eligibility and related CARC/RARC guidance — appear here only after they are verified against an authoritative source. Nothing is published speculatively.

Appeal Triage Timely Filing Authorization Medical Necessity CARC lookup RARC lookup

Source & verification

Official sources

One Call — Provider Portal — https://provider.onecallcm.com
One Call — Official website — https://onecallcm.com/