As physicians and health administrators increasingly incorporate patients' perspectives into health care, patient satisfaction has become a significant health care outcome. However, there is limited knowledge regarding the patient satisfaction instruments being used by leading academic medical centers. The objective of this study was to determine the types of patient satisfaction instruments used by leading academic medical centers. We conducted a telephone survey of 16 leading academic medical centers across the United States to determine the types of patient satisfaction instruments used at each institution for outpatient and inpatient care. Among the institutions surveyed, a significantly higher proportion used internally developed surveys for satisfaction measurement among outpatients than for satisfaction measurement among inpatients. Although much attention has been focused on patient satisfaction in recent years, there is little standardization of the patient satisfaction instruments currently being used at the academic medical centers surveyed, particularly for outpatient care. This lack of standardization limits opportunities for benchmarking of patient satisfaction data among peer institutions and may limit efforts to improve care.