Siobhan O’Donnell

Nurse Practitioner

Siobhan O’Donnell

Nurse Practitioner
Pictured: Siobhan O'Donell

I joined Memorial Sloan Kettering as a travel nurse with the Division of Hematologic Oncology in 2011. I became a nurse practitioner that same year, and joined the leukemia team in 2012. I previously worked as a pediatric hematology-oncology nurse.

Currently I am responsible for the coordination of care and clinical management of cancer patients in the outpatient setting for the leukemia team. I am dedicated to improving outcomes for patients with cancer and their families by promoting clinical excellence and consideration for quality of life. I believe in building a long-lasting and trusting relationship with patients and their families.

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I have always had a passion for working with patients with cancer, and have had the opportunity to work with many different patients and their families across the country and in different settings. I am a member of the Oncology Nursing Society at the national and local levels.

Clinical Expertise

Leukemia (Adult and Pediatric)
Hematologic Oncology

Languages Spoken



Family Nurse Practitioner (FNP-BC)


Master of Science in Nursing (MSN), California State University at Long Beach
Bachelor of Science in Nursing (BSN), Pace University
Registered Professional Nurse (RN)