Meet Our CNO

Margaret Pfeiffer, MSN, RN, CCRN, NE-BC
Interim Chief Nursing Officer
Vice President of Patient Care Services

Ms. Pfeiffer brings more than 25 years of clinical and management experience in nursing to Mount Sinai South Nassau’s Patient Care Services Department. She collaborates with all disciplines throughout the organization to improve nursing practice and maintain the highest quality of patient care delivery. Focusing on the future of nursing, she strives to apply all advances in nursing practice principles to the organization. She holds a Master’s of Science in Nursing and holds certifications as a nurse executive and in critical care nursing.

Learn more

Meet Our CNO
Mission, Vision and Strategic Plan
Professional Practice Model
Nursing Annual Reports
Shared Governance
Service Areas
Directions