Poplar Grove in Aylesbury reports over 200 patients failed to turn up last month.
The Surgery, that has 23,826 registered patients, saw 2,203 people face to face, and conducted a further 1,849 phone consultations.
But 234 people didn't attend their scheduled appointment, although that number in down on the previous month when more calls were answered.
You can see the last 3 months of data from Poplar Grove below.