I’ve been taking part in this. Many thanks to Robert_Whittaker for his excellent website. I have a quick question. In my city, it’s common to have one medical centre but with more than one practice e.g. the Red Practice and the Yellow Practice. The best way I can think to map this is, the building itself with the name, street etc, as a way. The practices as nodes within the way, the nodes would include amenity=doctors etc etc.