ADHD Assessment - Why It's Better to Get a Private One Instead of Waiting on the NHS The NHS offers an in-person ADHD assessment but it's a lengthy wait. Some have reported waiting for up to three years. GPs can refer patients to private clinics or prescribe medication under a https://ukpsychiatry28724.thenerdsblog.com/35012786/why-adhd-assessment-private-will-be-your-next-big-obsession