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Patrick Leavey, M.D., graduated from the Royal College of Surgeons in Ireland in 1986. He spent 4 years in Ireland as a junior house officer (Internal Medicine and Pediatrics), 2 years at Princess Margaret Hospital in Perth, Western Australia as a pediatric registrar and then came to the US to do his pediatric hematology/oncology fellowship at The Children’s Hospital Denver and University of Colorado Health Sciences Center in 1992. Dr. Leavey worked in the lab of Daniel Ambruso, M.D. for 4 years on projects related to the influence of G-CSF on granulocyte function and the exploration and identification of a novel neutrophil cytosolic protein.

Dr. Leavey joined the pediatric faculty at UT Southwestern Medical Center in 1998 where he is currently a Professor of Pediatrics and a Pediatric Oncologist at Children’s Health, Children’s Medical Center Dallas and Plano.

During his years of training Dr. Leavey became a member of the Royal College of Physicians of Ireland, a Fellow of the Royal Australasian College of Physicians and a Diplomate of Child Health from the National University of Ireland. He submitted a thesis based on his work in the Ambruso laboratory and was granted a Doctorate in Medicine from the National University of Ireland. He is also subspecialty board certified in Pediatric Hematology/Oncology by the American Board of Pediatrics.

Currently Dr. Leavey holds several leadership positions both regionally and nationally. He is the Associate Medical Director for Clinical Affairs, for the Pauline Allen Gill Center for Cancer and Blood Disorders and the Director of the Musculoskeletal Tumors Program at Children's Health. Dr. Leavey is the Vice-President of the American Society of Pediatric Hematology/Oncology and a member of their Board of Trustees and Executive committee. He is the Secretary-Treasurer of the Council of Pediatric Subspecialties. At the Children’s Oncology Group (COG), Dr. Leavey is a member of the Bone Sarcoma Committee and the institutional principal investigator for UT Southwestern Medical Center. Dr. Leavey also serves on the advisory boards for the Children’s Cancer Fund and The Clayton Dabney Foundation. 

Dr. Leavey hold several key positions in clinical and translational research. He is the Chair for the COG international study for newly diagnosed patients with non-metastatic Ewing Sarcoma (AEWS1031). He is the principal investigator for a Cancer Prevention Research Institute of Texas (CPRIT) funded study to develop a novel biomarker for osteosarcoma and he is the principal investigator for a Texas wide biospecimen study for childhood sarcoma also funded by CPRIT.

Dr. Leavey was included in D Magazine's Best Doctors list for 2018 and 2022 and its Best Pediatric Specialists list for 2020 and 2021.

To schedule an appointment with Dr. Leavey at Children's Health, please call 844-4CHILDRENS or request an appointment online.

Education & Training
  • Medical School - Royal College of Surgeons (1980-1986)
  • Residency - Children's Hospital of Denver (1996-1998), Pediatrics
  • Fellowship - University of Colorado Health Sciences Center (1992-1996), Pediatric Hematology/oncology
  • Residency - St. Vincents Hospital - Dublin Ireland (1987-1989), Internal Medicine
  • Internship - Beaumont Hospital (1986-1987), General Surgery
Professional Associations & Affiliations
  • Dallas County Medical Society and Texas Medical Association
  • Connective Tissue Oncology Society
  • Children's Oncology Group (2002)
  • American Society of Pediatric Hematology/Oncology (2004)
  • Society for Pediatric Research (2006)
  • American Society of Clinical Oncology (2012)
Honors & Awards
  • D Magazine Best Pediatric Specialist, 2002, 2010-2011, 2013, 2015-2016, 2018-2022
  • Achievement Award 2005, ’Gift of Giving Back Award’ first such award given by the Clayton Dabney Foundation for Kids with Cancer
  • Elected to the Society for Pediatric Research 2006
  • Medical Achievement Award 2008, Little Mo Award - awarded by Wipe out Kids Cancer
  • Faculty Teaching Award 2009, UT Southwestern and Children's Medical Center
Books & Publications
  • Development of a novel biomarker for patients with Osteosarcoma
  • Development of sophisticated genetic and clinically annotated data for patients with sarcoma in Texas
  • Development of advances in therapy for patients with Ewing Sarcoma with an emphasis on protocol development for patients with newly diagnosed and recurrent Ewing Sarcoma

Clinical Focus

  • Sarcoma
  • Malignant Hematology
  • Medical Treatment of Blood Disorders (Hematology)
  • General Hematology/Oncology

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