ADHD Assessment - Why It's Better to Get a Private One Instead of Waiting on the NHS The NHS can offer a private ADHD assessment but it's a lengthy wait. Some people reported waiting three years. Doctors can refer patients to private clinics or prescribe medication under a shared-care agreement https://private-adhd-assessment18443.isblog.net/5-reasons-adhd-assessment-private-is-a-good-thing-46955359