Electronic health records (EHRs) are increasingly being implemented in both inpatient and outpatient environments, and a growing body of data indicates that EHR implementation is associated with improved quality of care. This survey of more than 500 physicians who regularly used EHRs found that nearly one-third believed that EHRs could actually increase the potential for errors—a belief that has empirical support—although only a very small proportion had actually experienced such an error. Physicians who were concerned about the safety implications of EHRs were also more likely to report dissatisfaction with their practice setting. Implementation of EHRs can significantly disrupt clinicians' work environment, and prior studies have shown that one full year of experience with EHRs is required for providers to view such systems positively. These findings have important implications for organizations planning the implementation process for new EHRs.