Cancer and Blood Disorders Center Team

For more than 100 years, Seattle Children’s has been treating only children. Our staff is trained in blood disorders and cancer (hematology-oncology), and in meeting the unique needs of children.

 Your child's Cancer and Blood Disorders Center team is made up of staff members from many specialties.

Why see a childhood oncologist instead of an adult oncologist?

Childhood cancer doctors (pediatric oncologists) have special training in how to diagnose and treat childhood cancers. Their training and experience are important for children and families facing this disease.

They know the ways that cancer starts and acts in children, and that children are different than adults because they are still growing and developing – physically, mentally and socially.

Our doctors create treatment plans that draw from their years of professional experience and the newest research on what works best – and most safely – for children.

Cancer in children is not very common. It accounts for only about 1% of all cancers diagnosed in the United States. That's why primary care doctors often have limited knowledge of how to treat childhood cancer.

As a result, almost all children with cancer in the United States receive treatment through one of the children's cancer centers that are in the Children’s Oncology Group (COG).

COG is a cooperative group of more than 200 institutions worldwide that work together to research, prevent, treat and cure childhood cancer. It is supported by the National Cancer Institute. Seattle Children’s is one of the COG centers.

Beyond the basics of the disease and its treatment, children with cancer and their families have other special needs – from how to keep up with school during treatment to planning for long-term effects of cancer and treatment as they become adults.

Our staff provides a full range of care designed to support our patients and their families through all aspects of their journey.

Our Providers Who Treat Cancer and Blood Disorders

 Oncology

• Division Chief: Irwin D. Bernstein, MD 
• Associate Division Chief: Douglas S. Hawkins, MD 
• K. Scott Baker, MD 
• Lauri M. Burroughs, MD 
• Ronald Cheung, MD 
• Eric J. Chow, MD, MPH 
• Ann Dahlberg, MD 
• Scott Diede, MD, PhD 
• Abraham Fong, MD, PhD 
• Rebecca Gardner, MD 
• J. Russell Geyer, MD 
• Brandon Hadland, MD 
• Phoenix A. Ho, MD 
• Rebecca H. Johnson, MD 
• Sarah E. S. Leary, MD 
• Thomas J. Manley, MD 
• Dana C. Matthews, MD 
• Soheil Meshinchi, MD, PhD 
• Julie R. Park, MD 
• Thomas W. Pendergrass, MD, MPH 
• Jessica A. Pollard, MD 
• Abby Rosenberg, MD 
• Akiko Shimamura, MD, PhD 
• Barbara E. Small, MD 
• Blythe G. Thomson, MD 

Nurse Practitioners 

• Tracy J. Bradley, ARNP 
• Karyn Jean Brundige, ARNP 
• Susan L. Ehling, ARNP 
• Kristin M. Gard, ARNP 
• Dalia Y. Hanna, ARNP 
• Corrine C. Hoeppner, MN, ARNP 
• Tina A. Homan, ARNP 
• Ji-Hyun Paschall, ARNP 
• Annaka G. Thibodeaux, ARNP, MSN 
• Karen F. Wilkinson, ARNP 

 Hematology

• Clinical Services Director: Dana C. Matthews, MD 
• Thomas W. Pendergrass, MD, MPH 
• Akiko Shimamura, MD, PhD 
• Barbara E. Small, MD 

Nurse Practitioners 

• Karyn Jean Brundige, ARNP 
• Maia H. Kelley, MN, ARNP 

Adolescent and Young Adult Cancer Program

• Rebecca Johnson, MD 
• Leah Kroon, MN, RN  
• David Breland, MD 
• Anne Giesel, MD 
• Margarett Shnorhavorian, MD 

Bone tumor and sarcoma/soft tissue sarcoma

• Ernest (Chappie) U. Conrad, MD 
• Douglas S. Hawkins, MD 

Nurse Practitioners 

• Susan L. Ehling, ARNP 
• Kristin M. Gard, ARNP 

Brain tumor

• Anthony M. Avellino, MD 
• Samuel Browd, MD, PhD 
• Richard G. Ellenbogen, MD 
• J. Russell Geyer, MD 
• Jeffrey G. Ojemann, MD 
• James M. Olson, MD, PhD 

 Nurse Practitioner 

• Corrine C. Hoeppner, MN, ARNP 

Hematopoietic cell transplant

• Clinical Director: K. Scott Baker, MD 
• Robert G. Andrews, MD 
• Irwin D. Bernstein, MD 
• Marie Bleakley, MD 
• Lauri M. Burroughs, MD 
• Paul A. Carpenter, MD 
• Colleen S. Delaney, MD 
• Abraham Fong, MD, PhD 
• Rebecca Gardner, MD  
• Phoenix A. Ho, MD 
• Soheil Meshinchi, MD, PhD 
• Ann E. Woolfrey, MD 

Physician Assistants–Certified 

• Rhonda R. Estigoy, PA-C 
• Darren Johnson, PA-C 
• Tammy M. Muller, PA-C 
• Patricia A. Murphy, PA-C 
• Natalie Riotto, PA-C 
• Joann M. Suver, PA-C 

Leukemia

• Soheil Meshinchi, MD, PhD 
• Blythe G. Thomson, MD 
• Jessica A. Pollard, MD 

Nurse Practitioners 

• Karyn Jean Brundige, ARNP 
•  Tina A. Homan, ARNP 
• Annaka G. Thibodeaux, ARNP, MSN 

Cancer Survivor Program

• Director, Survivorship Program: K. Scott Baker, MD 
• Eric J. Chow, MD, MPH 

Nurse Practitioner 

• Karen F. Wilkinson, ARNP 

Lymphoma, Hodgkin

• Rebecca H. Johnson, MD 

Lymphoma, Non-Hodgkin

• Julie R. Park, MD 
• Blythe G. Thomson, MD 

Nurse Practitioners 

• Dalia Y. Hanna, ARNP 
• Tracy J. Bradley, ARNP 

Neuroblastoma

• Julie R. Park, MD 

Nurse Practitioners 

• Tracy J. Bradley, ARNP 
• Dalia Y. Hanna, ARNP 

Radiation oncology

• Ralph Ermoian, MD 

Sickle cell disease

• Michael A. Bender, MD 

Nurse Practitioner 

• Gabrielle D. Seibel, ARNP 

Surgical oncology

• Jeffrey R. Avansino, MD 
• George T. Drugas, MD 
• Adam B. Goldin, MD, MPH 
• Kenneth W. Gow, MD 
• Patrick J. Healey, MD 
• Patrick J. Javid, MD 
• Daniel J. Ledbetter, MD 
• John J. Meehan, MD 
• Kimberly J. Riehle, MD 
• Robert S. Sawin, MD 
• John H.T. Waldhausen, MD