ADHD Test - Why It Is Important To Seek A Private Diagnosis Ask your GP to refer you to a medical professional who can conduct an ADHD assessment for adults if you suspect that you might have ADHD. They could be psychiatrists, neuropsychologists or psychologists. A thorough interview is required http://www.stes.tyc.edu.tw/xoops/modules/profile/userinfo.php?uid=1371758