ADHD Assessment - Why It's Better to Get a Private One Instead of Waiting on the NHS The NHS can provide an individual ADHD assessment, but it's a long wait. Some patients reported waiting for three years. GPs can refer patients to private clinics or prescribe medication under a shared-care https://psychiatryuk73001.ampedpages.com/how-to-choose-the-right-adhd-assessment-private-on-the-internet-56712406