yes
they may ask you to write to the Data controller of the Hospital, but they should NOT ask you to fill out a pink form of 10 pages and then say if you dont, you cant have the notes ( as BritRail did to me)
they have to do it with in time frame ( 30d poss)
easy
you can do that for outpatients - ask a clerk or a doctor for a copy.
[the clerk at the eye hospital OP unwisely said to me - "I have no idea what you are talking about". The CEO told her. She does now.]
they can charge but it is limited ( not expensive)
you can write, or email, I wdnt phone ( no record)