ADHD Assessment - Why It's Better to Get a Private One Instead of Waiting on the NHS The NHS offers an individual ADHD evaluation however, the wait can be long. Some patients reported waiting for three years. GPs may refer patients to private clinics, or prescribe medications under a shared https://privateadhdassessment27019.blogkoo.com/a-how-to-guide-for-adhd-assessment-private-from-beginning-to-end-49360937