CHP is being used by clinicians in 50 health systems caring for over 30 million people across Australia, New Zealand and the UK.
It is also used by practice nurses, pharmacists, physiotherapists, community nurses, and other allied health services.
CHP started in Canterbury, New Zealand, in 2008. A recent survey of general practitioners in Canterbury found that 99% of them use it weekly in their practice, 70% of whom use it daily.