Linking the outcomes from interprofessional education to improvements in patient care has been hampered by educational assessments that primarily measure the short-term benefits of specific curricular interventions. Competencies, recently published by the Interprofessional Education Collaborative (IPEC), elaborate overarching goals for interprofessional education by specifying desired outcomes for graduating health professions students. The competencies define a transition point between the prescribed and structured educational experience of a professional degree program and the more self-directed, patient-oriented learning associated with professional practice. Drawing on the IPEC competencies for validity, we created a 42-item questionnaire to assess outcomes related to collaborative practice at the degree program level. To establish the usability and psychometric properties of the questionnaire, it was administered to all the students on a health science campus at a large urban university in the mid-Atlantic of the United States. The student responses (n = 481) defined four components aligned in part with the four domains of the IPEC competencies. In addition, the results demonstrated differences in scores by domain that can be used to structure future curricula. These findings suggest a questionnaire based on the IPEC competencies might provide a measure to assess programmatic outcomes related to interprofessional education. We discuss directions for future research, such as a comparison of results within and between institutions, and how these results could provide valuable insights about the effect of different curricular approaches to interprofessional education and the success of various educational programs at preparing students for collaborative practice.