ADHD Assessment - Why It's Better to Get a Private One Instead of Waiting on the NHS The NHS can provide a private ADHD assessment but it's a lengthy wait. Some people reported waiting three years. GPs may refer patients to private clinics or prescribe medications under a shared-care agreement https://iampsychiatry02604.daneblogger.com/28926631/adhd-assessment-private-strategies-that-will-change-your-life