This was 1988 in Suffolk County. I called what I believed to be an emergency number and specified “chest pains.” They sent out an MD.
1-Since 1988, the surgery is probably closed and a new one opened. In the 80’s some older ones from the 30’s/40’s would still be used.
2—999 is the UK emergency number. You probably phoned a number for ‘out of hours surgery’, in that case, the doctor out on call will come. 999 is the number for serious cases, where an ambulance is needed.