ADHD Assessment - Why It's Better to Get a Private One Instead of Waiting on the NHS The NHS can offer a private ADHD assessment but it's a lengthy wait. Some people reported waiting three years. GPs can refer patients to private clinics or prescribe medications through a shared-care agreement https://zanderjboal.dgbloggers.com/30224615/8-tips-to-boost-your-adhd-assessment-private-game