The Cost of Private ADHD Assessments ADHD awareness is on the rise thanks to high-profile figures such as Sue Perkins and Nadia Sawalha However, the long NHS waiting times are putting some people who need an assessment in a precarious situation. Some sufferers are forced to pay for private treatments. http://www.stes.tyc.edu.tw/xoops/modules/profile/userinfo.php?uid=1372138