How to Get an ADHD Assessment From a Private Provider It could take months or even years for an ADHD assessment through the NHS. This is due to a lack of specialists and the high demand for services. Private clinics provide a faster and more complete option than the NHS. https://psychiatrist31814.blogchaat.com/29881858/everything-you-need-to-know-about-adhd-diagnosis-private-dos-and-don-ts