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 the wait is long. Some have reported waiting for 3 years. GPs can refer patients to private clinics or prescribe medications in a shared-care arrangement https://privateadhdassessment93455.get-blogging.com/29906777/what-s-the-reason-adhd-assessment-private-is-everywhere-this-year