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 patients have reported waiting for three years. GPs may refer patients to private clinics, or prescribe medications https://iam-psychiatry88488.jts-blog.com/29128355/7-essential-tips-for-making-the-most-out-of-your-adhd-assessment-private