A nurse clinician is a specialized type of registered nurse who has undergone additional education, training, and clinical experience to develop expertise in a specific area of healthcare, such as cardiology, oncology, or pediatrics. While all nurse clinicians are registered nurses (RNs), not all RNs are nurse clinicians. Nurse clinicians often hold advanced certifications or master's degrees, enabling them to perform advanced assessments, diagnose conditions, develop treatment plans, and sometimes prescribe medications, depending on state regulations. This advanced scope of practice allows them to provide more comprehensive and specialized patient care, bridging the gap between traditional nursing roles and advanced practice providers like nurse practitioners. Overall, the key difference lies in the additional training and clinical responsibilities that define a nurse clinician's role as a healthcare specialist.