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St. Luke’s Signs Letter of Intent with BJC. This announcement does not change insurance coverage and plans accepted by St. Luke's.

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Starting August 17th expect traffic delays due to the PGA golf tournament. Please allow extra travel time when visiting Chesterfield locations.

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St. Luke's Medical Group

About

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.

Gender

  • Female

Affiliations

  • St. Luke's Hospital
  • St. Luke's Medical Group

Education & Training

  • Medical Education
    • University of Missouri-Kansas City
  • Residency
    • University of Connecticut
  • Fellowship
    • Saint Louis University

Insurances Accepted

Please contact your insurance company to verify this provider is in-network for your exact plan and to understand your coverage benefits, co-pays and deductibles.

  • Aetna
  • Allwell
  • Ambetter
  • Anthem BCBS
  • Ascension
  • CHHS - Allwell
  • CHHS - Ambetter
  • CHHS - HomeState
  • CHHS - WellCare
  • Cigna
  • Essence
  • Healthlink
  • Healthy Blue
  • HomeState
  • Humana (Medicare)
  • Medicaid
  • Medicare
  • Medicare SLMG
  • Multiplan-PHCS
  • Oscar
  • RR Medicare
  • TriCare
  • UHC
  • WellCare
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Ratings & Reviews

What patients are saying