In operation since 1999, the Pain & Disability Assessment Centre (PDAC) has facilitated thousands of medical-legal reports for lawyers in the GTA and across Ontario. We make it easy to find the specialist needed for your CAT, AB, tort or defence medical. PDAC streamlines the process of retaining an expert witness and helps you to get the most out of your expert. We work with top specialists in every field and pride ourselves on producing high-quality, objective med-legals you can count on, for both plaintiff and defence.