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 however, the wait can be long. Some patients reported waiting for three years. GPs may refer patients to private clinics, or prescribe medication https://felixvcyvn.dailyhitblog.com/35170703/5-adhd-assessment-private-projects-for-any-budget