Opt-outs around new data collection
Please note that the start date has now been delayed until the 1st September to allow for more discussion (See "GPDPR delayed until 01 September" at BBC News).
NHS Digital have updated their website with more information.
If you do not want your personally identifiable patient data to be shared outside of your GP practice for puroposes except yur own care, you can register an opt-out with your GP Practice. This is know as Type 1 Opt-out.