Workplace violence in ambulatory care is less controlled than in inpatient settings due to a variety of factors, including location, patient population, volume of visits, hours of operation, physical environment, and availability of resources. Personal knowledge, skills, and ability, as well as data and organizational resources, are needed to mitigate events. Continued research, publication of evidence-based practice, and advocacy for laws protecting health care workers in ambulatory care are necessary. The development of workplace violence risk assessments, violence screening questions, and national nursing quality indicators are needed to help move the prevention needle in ambulatory care settings.