ADHD Assessment - Why It's Better to Get a Private One Instead of Waiting on the NHS The NHS offers a private ADHD assessment However, the wait is long. Some patients reported waiting for three years. GPs can refer patients to private clinics or prescribe medication through a shared-care agreement https://private-adhd-assessment53948.techionblog.com/29848590/why-all-the-fuss-about-adhd-assessment-private