Practice demographic data are extracted as a quarterly snapshot in time from the GP Payments system maintained by the Health and Social Care Information Centre (HSCIC).
Data for GP Practices with 100 or fewer registered patients has been suppressed due to possible identification of individuals when data are linked to other data sets.
These releases are an accurate snapshot as at each date.
From April 2017, following a consultation, the frequency of this release has changed to monthly, and file structure has changed - there are now three files per release: Males by practice, Females by practice and all persons by commissioning region/region/CCG.
