ADHD Assessment - Why It's Better to Get a Private One Instead of Waiting on the NHS The NHS offers the option of a private ADHD assessment, but the wait is long. Some people have reported waiting for up to three years. The GP may refer patients to private clinics https://iampsychiatry-uk35506.ttblogs.com/9392935/what-is-adhd-assessment-private-what-are-the-benefits-and-how-to-utilize-it