ADHD Assessment - Why It's Better to Get a Private One Instead of Waiting on the NHS The NHS can offer a private ADHD assessment but it's a lengthy wait. Some people reported waiting three years. GPs may refer patients to private clinics, or prescribe medications under a shared-care agreement https://danteldrep.blogsmine.com/30309300/15-interesting-facts-about-adhd-assessment-private-you-ve-never-known