>>peterf+(OP)
It is more litigious than the UK, but UK universities have Special Educational Needs specialists. It would be very very unusual for a family doctor (what we would call a General Practitioner) to be willing to make a diagnosis on this, they would insist on referring you to a specialist, although in many cases that may not be a medical doctor at all. ADHD, Nuerodiversity, Dyslexia are all assessed by specialists. In all professions it is considered unethical to act outside of your area of competence...