The Cost of Private ADHD Assessments The public is becoming aware of ADHD due to the presence of celebrities such as Sue Perkins and Nadia Sawalha. However, the long NHS waiting times put some people in a dangerous situation. Some people are forced to pay for treatments that are private. https://rohde-walton.blogbright.net/a-adhd-private-diagnosis-london-success-story-youll-never-believe/