ADHD Assessment - Why It's Better to Get a Private One Instead of Waiting on the NHS The NHS can provide an in-person ADHD assessment but it's a lengthy wait. Some people reported waiting three years. GPs can refer patients to private clinics or prescribe medications in a shared-care arrangement https://private-adhd-assessment89900.ja-blog.com/29789017/what-adhd-assessment-private-experts-want-you-to-learn