ADHD Assessment - Why It's Better to Get a Private One Instead of Waiting on the NHS The NHS offers the option of a private ADHD assessment, but the wait is long. Some patients reported waiting for three years. GPs can refer patients to private clinics or prescribe medication under https://psychiatry-uk16800.targetblogs.com/30258898/15-documentaries-that-are-best-about-adhd-assessment-private