Colin Sieff, MB, BCh

Colin Sieff, MB.BCh.

Associate Professor of Pediatrics, Harvard Medical School

    Contact: 781-216-2999
  • Fax: 781-216-2900

Medical Services


  • Diamond-Blackfan Anemia
  • Bone Marrow Failure Syndromes
  • Hematology Oncology


  • Hematology / Oncology
  • Medicine


  • Hematology / Oncology
  • Bone Marrow Failure Program
To schedule an appointment: Call 781-216-2999

Experience and Education


University of Witwatersrand, 1968

Johannesburg, South Africa


  • Fellow of the Royal College of Pathologists (Hematology)

To schedule an appointment: Call 781-216-2999


We are grateful to have been ranked #1 on U.S. News & World Report's list of the best children's hospitals in the nation for the third year in a row, an honor we could not have achieved without the patients and families who inspire us to do our very best for them. Thanks to you, Boston Children's is a place where we can write the greatest children's stories ever told.”
- Sandra L. Fenwick, President and CEO

Boston Children's Hospital
300 Longwood Avenue, Boston, MA 02115
For Patients: 617-355-6000
For Referring Providers: 844-BCH-PEDS | 844-224-7337