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About Sickkids
About SickKids

Paul Nathan, MD, MSc, FRCPC

The Hospital for Sick Children
Director, Aftercare Program

Staff Oncologist, Solid Tumor Section

Research Institute
Senior Associate Scientist
Child Health Evaluative Sciences

University of Toronto
Paediatrics and Health Policy, Management & Evaluation

Fax: 416-813-5327
Email: paul.nathan@sickkids.ca
Alternate Contact: Maria Locke
Alternate Phone: 416-813-7654 ext. 203297
Alternate Email: maria.locke@sickkids.ca

Brief Biography

Dr. Nathan joined the staff at The Hospital for Sick Children (SickKids) in 2004. He is the Director of the Aftercare (survivorship) program in the Division of Haematology/Oncology as well as an oncologist in the Division's Solid Tumor Section.  He is also a Clinician Investigator and Senior Associate Scientist in the Sickkids Research Institute. 

Dr. Nathan received his medical degree from The University of Toronto in 1995. He trained in paediatrics and paediatric haematology/oncology at SickKids. After completing an MSc degree in Clinical Health Sciences (Health Research Methodology) at McMaster University in Hamilton, he spent a year in the Advanced Studies Program in Pediatric Oncology at the National Cancer Institute in Bethesda, Maryland.

Dr. Nathan’s clinical practice and research program is focused on survivors of childhood cancer. His research addresses specific "late effects" of cancer therapy (such as cardiac disease) as well as healthcare utilization and screening for complications in survivors.  He is a member of the steering committees of the Children’s Oncology Group (COG) Survivorship and Outcomes Committee, and the Childhood Cancer Survivor Study (CCSS). 

Clinical Care Activities

  • Physician - Aftercare clinic in the Division of Haematology/Oncology
  • Physician - Solid tumour section of the Division of Haematology/Oncology

Research Interests

  • Long-term physical and psychological outcomes in survivors of childhood cancer
  • Health services utilization by adult survivors of childhood cancer

External Funding

  • Canadian Institutes of Health Research (CIHR)
  • Cancer Research Society (CRS)
  • Pediatric Oncology Group of Ontario (POGO)
  • Canadian Cancer Society Research Institute 
  • C17 Research Network


2018: Awarded a 7-year CIHR Foundation Grant to fund his cancer survivor research program

2010-2013: Early Researcher Award (ERA), Ministry of Research and Innovation

2010 - Study on "Cancer screening in adult survivors of childhood cancer”, chosen as one of the “Major research advances in cancer treatment, prevention and screening” in 2009 by the American Society of Clinical Oncology (ASCO)

2008 - Study on "Risk based care in survivors of childhood cancer", chosen as one of the “Major research advances in cancer treatment, prevention and screening” in 2007 by the American Society of Clinical Oncology (ASCO)


View Dr. Nathan's publications on NCBI