The healthcare community is mourning the unexpected loss of Sammie Mosier, DHA, MA, BSN, NE-BC, a visionary nursing leader whose decades of dedication transformed nursing practice and patient care across the United States. Mosier passed away on December 14, 2025, leaving behind a legacy of mentorship, advocacy, and innovation.
Mosier served as Senior Vice President and Chief Nurse Executive for HCA Healthcare for more than 25 years, overseeing nearly 100,000 nurses and shaping a culture grounded in professional excellence and compassionate patient care. Beginning her career as a medical-surgical nurse, she quickly rose through the ranks, blending clinical expertise with strategic leadership to advance the nursing profession on a national scale.
Among her many accomplishments, Mosier established the HCA Healthcare Nursing Advocacy Agenda to amplify the voice of nurses and improve workplace conditions. She also launched the Unit of Distinction Awards, celebrating nursing teams for outstanding performance, and introduced the HCA Inspire mobile app, a pioneering platform providing resources, communication tools, and professional development opportunities for nurses. Her work in championing the Clinical Nurse Coordinator (CNC) role and developing the CNC Resource Tool strengthened patient care and advanced nursing practice throughout the organization.
Mosier’s contributions earned wide recognition. Modern Healthcare named her one of the 50 Most Influential Clinical Executives in 2025 and previously honored her among the top women leaders in healthcare. She also served on the board of Galen College of Nursing, supporting nursing education and mentoring emerging healthcare leaders.
Highly educated and accomplished, Mosier held a Doctorate in Healthcare Administration and a Master’s in Management and Leadership from Webster University, along with a Bachelor of Science in Nursing from McKendree University. She was also a board-certified nurse executive (NE-BC), reflecting her commitment to professional excellence and lifelong learning.
Colleagues remember Mosier not only for her visionary leadership but also for her warmth, accessibility, and dedication to creating environments where nurses could grow and thrive. Her influence on nurse leadership, technology integration, and patient-centered care has left a lasting mark on HCA Healthcare and the broader healthcare industry.
Sammie Mosier’s passing is a profound loss to the nursing profession, HCA Healthcare, and the countless patients and colleagues who benefited from her guidance. Her legacy of advocacy, innovation, and compassion will continue to inspire the field for generations to come.