Petersen Parkinson & Arnold, PLLC | Injury & Workers' Comp Lawyers

Petersen, Parkinson & Arnold, PLLC is a Twin Falls workers' compensation law firm with over 75 years of combined experience helping injured workers throughout Southern Idaho. Led by certified workers' comp specialist James Arnold, the firm handles all types of work-related injuries and occupational illnesses—from back and joint injuries to traumatic brain injuries and repetitive stress conditions. They represent clients in claims for medical expenses, disability benefits, and permanent disability compensation, negotiating with employers and insurance adjusters so workers can focus on recovery.