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 however, it's a long wait. Some people reported waiting three years. GPs may refer patients to private clinics or prescribe medication under a shared-care agreement https://landenyiqvb.howeweb.com/29942890/the-reasons-adhd-assessment-private-is-everywhere-this-year