HealthShare Exchange (HSX) is a membership-dues-supported nonprofit health information exchange formed in 2009 and incorporated in 2012 by Greater Philadelphia’s hospitals, health systems, and healthcare insurers.[1][2] It links the electronic medical record (EMR) systems of different hospital health systems and other healthcare providers — and the claims data of healthcare insurers — to make this information accessible at inpatient and outpatient points of care (including medical practice offices) and for care management. HSX services provide recent clinical care information, and alert providers and health plans to care events.[2] Health information exchange makes patient care more informed and coordinated, and reduces unnecessary care and readmissions. HSX serves the greater Delaware Val