Dr. Katharine Ponzillo specializes in palliative care, providing compassionate and comprehensive medical support for adult patients and their families facing serious illnesses. She offers both inpatient and outpatient services, ensuring personalized care that prioritizes symptom management, quality of life, and patient-centered decision-making. As a leader in the field, she has successfully expanded palliative care programs, enhancing access to multidisciplinary support.

Dr. Ponzillo earned her Doctor of Medicine from the University of Missouri-Kansas City. She completed her residency in internal medicine at the University of Connecticut, followed by a fellowship in critical care at Saint Louis University. With extensive experience in hospital-based medicine, she is dedicated to integrating advanced care planning and evidence-based treatments into her practice.
Her philosophy centers on treating patients with dignity, compassion, and respect, empowering them and their families with knowledge and support throughout their healthcare journey.

Dr. Ponzillo is a member of St. Luke’s Medical Group, a network of more than 50 physician offices providing a team approach to your healthcare needs. From the Chesterfield and Des Peres campus offices to offsite locations in the Greater St. Louis area, St. Luke’s offers a wide range of primary care and specialty physicians focused on the community’s health and wellness.