NHS England - leads the NHS in England and set its priorities and direction - is responsible for commissioning contracts for GPs, pharmacists and dentists.
NHS Choices - a free online service that provides health advice and guidance. You can also use the website to find local NHS services and ratings.
NHS 111 - the fast and free of charge 24/7 non-emergency telephone number. It is staffed by advisors who will ask you a series of questions and direct you to the best local service.
NHS e-referrals service (formerly Choose and Book) - online tool for you to book and manage your outpatient appointments.
Health Education England - responsible for the education, training and development of NHS staff.
Health Research Authority - protects and promotes the interests of patients and the public in health research. They also streamline the regulation of research.
NHS Blood and Transport Service - manages the donations of organs, blood, stem cells and tissues.
NHS Business Services Authority - provide a range of central services to NHS organisations, NHS contractors, patients and the public.
NHS Litigation Authority - manages negligence and other claims against the NHS in England.
NHS Trust Development Authority - provides support, oversight and governance for all NHS trusts.