ADHD Assessment - Why It's Better to Get a Private One Instead of Waiting on the NHS The NHS offers an individual ADHD assessment but it's a lengthy wait. Some have reported waiting for 3 years. GPs can refer patients to private clinics or prescribe medications through a shared-care agreement https://psychiatryuk98227.blogrelation.com/35922386/5-adhd-assessment-private-tips-you-must-know-about-for-2023