This is where the majority of changes to clinical services will be designed and delivered, and where population health management will be used to target interventions to particular groups. The emergence of stronger public sector partnerships and the erosion of market-based reforms are unlikely to lead to a larger role for private companies in delivering NHS services. !function(){"use strict";window.addEventListener("message",(function(a){if(void 0!==a.data["datawrapper-height"])for(var e in a.data["datawrapper-height"]){var t=document.getElementById("datawrapper-chart-"+e)||document.querySelector("iframe[src*='"+e+"']");t&&(t.style.height=a.data["datawrapper-height"][e]+"px")}}))}(); Eight Sustainability and transformation plan areas in England were named by Simon Stevens in June 2017 as a first wave in the development of what were then called Accountable care systems.He said they "will bring together providers and commissioners to help break down barriers between primary, secondary and social care". There are now 18 integrated care systems as shown below: Find out more about some areas that are working towards developing an integrated care system: Sign up to the Future Health and Care bulletin, providing the latest news and events on integrating health and care across the country. This approach leaves some uncertainty around what the end-state of the changes will be, and variation across the country can make these reforms more difficult to understand. If you are a member of the public looking for health advice, go to the NHS website. Reasons for this include joining-up care pathways, reconfiguring services across different sites to address issues of quality or sustainability and addressing workforce shortages by sharing staff and co-ordinating efforts to improve recruitment and retention.