A KLAS survey of 28 users found that “For Epic end users, sharing with other health systems is a stress-free experience,”. However, “Epic is rigid in how it integrates with others”. Still, non Epic users rate it a 4 on a 5 point scale for “ease of interoperability”. Its the HIE organizations that rank the task as harder (3 on a 5 point scale).  As reported in Health Data Management