NHS digital have the right to download data from every general practice in the country. This is not something the practices have any control over.
Please follow this link on How and why NHS Digital wants to use your data.
If you are not comfortable with this you can personally opt out of allowing your data to be used by them.
There are two kinds of of opt-outs.
A Type One opt out or a National Data Opt out.
For more details about each kind of opt out please follow the link above.
For Type One opt outs – fill in this form and hand it in to the surgery by 23rd June 2021
For National Data Opt Outs visit this government page to make your choice and register it.