Context: This is a replication of a study by Boucher and Lenz (1) concerning knowledge and attitudes of physicians in a Midwestern teaching hospital about complementary therapy. Approval for use of all or any part of the original questionnaire was obtained from the authors. Objective: To discover the attitudes, knowledge, and practice strategies related to complementary therapy by nurse practitioners in the state of California. Conclusion: Overall nurse practitioners view the combination of complementary therapies and allopathic medicine as beneficial to positive outcomes for their clients. Nurse practitioners in the State of California appear to be knowledgeable in the purposes of complementary therapy and motivated to use and/or refer clients to complementary therapists