ADHD Assessment - Why It's Better to Get a Private One Instead of Waiting on the NHS The NHS offers an individual ADHD evaluation, but the wait is long. Some have reported waiting for 3 years. GPs can refer patients to private clinics or prescribe medication under a shared-care agreement https://garrettepvae.pages10.com/a-step-by-step-guide-to-adhd-assessment-private-from-beginning-to-end-64867937