EDIT: strikeout [In my opinion it's fraud.] /strikeout
http://www.nhs.uk/chq/pages/1086.aspx?categoryid=68
http://www.nhs.uk/chq/pages/1087.aspx?categoryid=68&subcateg...
But the rules are a bit complicated so maybe it's fine.
It's weird that he gets a six month drop of medications each time -- that is very unusual behaviour from the prescribing doctor and the prescription-filling pharmacist.