ADHD Assessment - Why It's Better to Get a Private One Instead of Waiting on the NHS The NHS can offer an individual ADHD assessment, but it's a long wait. Some people reported waiting three years. GPs can refer patients to private clinics or prescribe medication in a shared-care arrangement https://psychiatry-uk16800.targetblogs.com/30258898/15-documentaries-that-are-best-about-adhd-assessment-private