ADHD Assessment - Why It's Better to Get a Private One Instead of Waiting on the NHS The NHS offers a private ADHD assessment However, the wait is long. Some have reported waiting for 3 years. GPs may refer patients to private clinics, or prescribe medications under a shared-care agreement https://privateadhdassessment34442.get-blogging.com/30231695/5-adhd-assessment-private-projects-for-any-budget