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 however, it's a long wait. Some patients have reported waiting for three years. GPs can refer patients to private clinics or prescribe medications in a https://cruzkhauk.webbuzzfeed.com/30391597/7-things-you-d-never-know-about-adhd-assessment-private