ADHD Assessment - Why It's Better to Get a Private One Instead of Waiting on the NHS The NHS offers an individual ADHD assessment but it's a lengthy wait. Some patients reported waiting for three years. GPs can refer patients to private clinics or prescribe medications in a shared-care arrangement https://psychiatrists-uk77498.sharebyblog.com/29636962/5-adhd-assessment-private-projects-for-any-budget