Dr. Sammie S. Mosier, a visionary nursing leader and Senior Vice President and Chief Nurse Executive at HCA Healthcare, passed away on December 14, 2025, in Nashville, Tennessee, following an accidental incident.
Her passing has left a profound void in nursing leadership across the United States and the United Kingdom, where she was widely recognized as a visionary figure in clinical practice, advocacy, and nurse empowerment.
Dr. Mosier’s career spanned nearly three decades, beginning in 1996 as a medical-surgical nurse at Frankfort Regional Medical Center in Kentucky, an HCA facility. From those early days, she advanced steadily through leadership roles, eventually serving as chief nursing officer.
Under her leadership, her hospital achieved Magnet status, a prestigious recognition of nursing excellence. Her responsibilities later expanded to strategic oversight of nearly 100,000 nurses across 190 hospitals and more than 2,400 care sites in 20 states and the UK, making her one of the most influential nurse executives in the world.
Mosier’s commitment to lifelong learning was reflected in her academic accomplishments. She earned a Doctorate in Healthcare Administration, a Master’s degree in Management and Leadership from Webster University, and a Bachelor of Science in Nursing from McKendree University.
She was also board-certified as a Nurse Executive (NE-BC) by the American Nurses Credentialing Center. These credentials underscored her dedication to professional standards and her drive to elevate nursing practice to the highest levels.
Colleagues describe Mosier as a passionate mentor who prioritized creating thriving environments for nurses at all levels. She championed innovation, engagement, and the amplification of nursing voices in decision-making processes. Her leadership style emphasized integrity, compassion, and a clear focus on improving patient outcomes. Many credit her with setting national benchmarks for excellence in nursing leadership and with inspiring countless nurses to pursue advanced roles in healthcare.
The nursing profession has expressed deep sorrow at the loss of a transformational figure. Tributes from colleagues highlight her empathy and her belief that listening to nurses was essential to superior patient care. Her influence extended through leadership development programs, advocacy initiatives, and her ability to shape policy and practice across large healthcare systems.
Dr. Mosier’s life was defined by unwavering commitment to the nursing profession and the empowerment of her colleagues. Her work advanced patient-centered care and strengthened the role of nurses in shaping healthcare delivery. Though her passing was sudden, her legacy endures as a source of inspiration for future generations of healthcare leaders.
The community honors her profound contributions with gratitude and respect, recognizing that her vision and leadership will continue to influence nursing practice for years to come.