Barkley & Associates is an educational services organization dedicated to provide the nation’s best nurse practitioner continuing education courses and certification review/clinical update! Whether preparing to take an initial certification exam or returning for a comprehensive update of the latest practice guidelines and trends, our courses are ideal. Our company is composed of active nurse practitioners (NPs) and experts in multi-media instructional techniques. All courses are taught by outstanding faculty who actively teach, practice and hold national certification as NPs.