Prices paid for nonhospital professional services ranged from 28% below the multistate median to 174% above it in 2025, according to the Workers Compensation Research Institute.

The gap between the lowest- and highest-price states for workers’ compensation medical professional services is stark: prices in Wisconsin were nearly four times those in Massachusetts in 2025.

The new WCRI study that R&I reviews is the Medical Price Index for Workers’ Compensation, 2026 Edition (MPI-WC).  Read their full review here; then visit the study's page on our website for more information, including details on how you can download a copy!