Today, with profound sadness, we acknowledge the passing of Dr. Sammie Stewart Mosier, a cherished leader, mentor, and the Senior Vice President and Chief Nurse Executive of HCA Healthcare, who died on December 14, 2025.
Her loss is deeply felt across the healthcare community, especially among the tens of thousands of nurses and colleagues whose lives she touched through her unwavering dedication, compassion, and visionary leadership.
Dr. Mosier’s career was a testament to her commitment to nursing and patient care. She served in one of the most influential roles within the nation’s largest healthcare systems, directing strategies that advanced nursing practice, strengthened clinical excellence, and bolstered professional development for nurses at every stage of their careers.
Her influence extended to approximately 100,000 nurses across HCA Healthcare’s extensive network of hospitals and care facilities.
Beginning her journey as a registered nurse, Dr. Mosier rose through the ranks at HCA Healthcare over more than 25 years, embodying the values of compassion, integrity, and service. She was known for her deep belief in supporting nurses not only as professionals but as whole people.
Under her guidance, HCA Healthcare expanded its initiatives in clinical education, advocacy, and mentorship, reinforcing the essential role of nursing in quality patient outcomes and healthcare innovation.
Colleagues remembered Dr. Mosier not only for her remarkable professional achievements but for her personal warmth and generosity of spirit. She was a trusted mentor whose wisdom and kindness opened doors for many aspiring nurse leaders. Her laughter, encouragement, and genuine care for others created lasting bonds and fond memories across the organization.
Nurses and leaders alike often spoke of her as a source of inspiration someone who pushed them to excel while reminding them of the importance of empathy and resilience in caregiving.
Throughout her tenure, Dr. Mosier championed programs that supported nurses at all levels, from recent graduates to seasoned executives. She was instrumental in strengthening clinical education frameworks and advocating for resources that empowered nurses to perform at their best.
These efforts helped shape a culture that valued continuous learning, professional growth, and collaborative practice, ensuring that nurses felt seen, supported, and equipped to provide compassionate care each day.
Her influence reached beyond the walls of hospitals and clinics. Dr. Mosier was widely respected in the broader healthcare field as a strong voice for nursing leadership, one who elevated the profession’s visibility and importance within the national healthcare conversation.
She understood deeply that quality care stems from a foundation of respect, support, and opportunity for those who dedicate their lives to caring for others.
