ADHD Assessment - Why It's Better to Get a Private One Instead of Waiting on the NHS The NHS can provide a private ADHD assessment but it's a lengthy wait. Some people reported waiting three years. Doctors can refer patients to private clinics or prescribe medication through a shared-care agreement https://privateadhdassessment11985.pointblog.net/adhd-assessment-private-tips-from-the-top-in-the-industry-70661484