ADHD Assessment - Why It's Better to Get a Private One Instead of Waiting on the NHS The NHS can provide an in-person ADHD assessment, but it's a long wait. Some people have reported waiting for three years. Doctors are able to refer patients private clinics or prescribe medication through https://iampsychiatry55801.bloggazzo.com/28884015/adhd-assessment-private-s-history-of-adhd-assessment-private-in-10-milestones