Further information about the way in which the NHS uses personal information and your rights in that respect can be found here:
The NHS Care Record Guarantee
The NHS Care Record Guarantee for England sets out the rules that govern how patient information is used in the NHS, what control the patient can have over this, the rights individuals have to request copies of their data and how data is protected under the Data Protection Act 1998.
The NHS Constitution
The NHS Constitution establishes the principles and values of the NHS in England. It sets out the rights patients, the public and staff are entitled to. These rights cover how patients access health services, the quality of care you’ll receive, the treatments and programmes available to you, confidentiality, information and your right to complain if things go wrong.
NHS Digital collects health information from the records health and social care providers keep about the care and treatment they give, to promote health or support improvements in the delivery of care services in England.