How to Get an ADHD Assessment From a Private Provider The NHS can take months, or years to determine ADHD. This is due to the shortage of specialists and the high demand for services. There are fortunately private clinics that provide a faster and more extensive alternative to the NHS. https://holdenszvpv.webdesign96.com/30376304/how-adhd-diagnosis-private-has-changed-my-life-the-better