Gregory A. Thomas, M.D.

Head Shot of Gregory Thomas
click here
503 346-0640


Dr. Thomas’ clinical practice focuses on general pediatric oncology, pediatric palliative care and blood disorders (abnormalities of hemostasis and thrombosis, and hemoglobinopathies). He is the medical director of the Bridges Pediatric Palliative Care Program at Doernbecher Children’s Hospital. He was the director of the Oregon Hemophilia Treatment Center from 1998 – 2007 and he has been the medical consultant to the Oregon Newborn Screening program for hemoglobinopathies since Oregon began screening for abnormal hemoglobins in 1995.

Selected Publications

"Neutralizing antibodies against adeno-associated virus examined prospectively in pediatric patients with hemophilia," Gene Therapy (Vol: 19, Issue: 3, Page 288-294) - 2012

"Risk factors for inhibitor formation in haemophilia: A prevalent case-control study," Haemophilia (Vol: 15, Issue: 5, Page 1074-1082) - 2009

"Prophylaxis versus episodic treatment to prevent joint disease in boys with severe hemophilia," New England Journal of Medicine (Vol: 357, Issue: 6, Page 535-544) - 2007

"Sustained engraftment post bone marrow transplant despite anti-platelet antibodies in Glanzmann thrombasthenia," Pediatric Blood and Cancer (Vol: 45, Issue: 7, Page 971-975) - 2005

"Acute lymphoblastic leukemia with the (8;14)(q24;q32) translocation and FAB L3 morphology associated with a B-precursor immunophenotype: The Pediatric Oncology Group experience," Leukemia (Vol: 13, Issue: 1, Page 135-141) - 1999


OHSU Doernbecher Children's Hospital

Visit Our Site

For Healthcare Professionals


  Email Gregory Thomas

503 346-0640

Memberships & Associations

American Academy of Pediatrics
American Society of Hematology
Oregon Medical Association
Children’s Oncology Group