ADHD Assessment - Why It's Better to Get a Private One Instead of Waiting on the NHS The NHS offers an in-person ADHD assessment however, it's a long wait. Some people have reported waiting for up to three years. GPs can refer patients to private clinics or prescribe medication under https://privateadhdassessment63838.mybjjblog.com/the-reasons-adhd-assessment-private-is-everywhere-this-year-42778806