Healthcare providers involved in an adverse event (AE) are at increased risk of burnout. This study involving 603 nurses from one large, urban hospital found that adverse events were positively associated with nurse burnout. The analysis also showed that the impact of the AEs was magnified when nurses exhibited higher levels of workgroup identification (i.e., the extent to which an individual is psychologically attached to their workgroup) but the association was weakened with higher safety climate perceptions.