David A. Williams, MD

President, Dana-Farber/Boston Children's Cancer and Blood Disorders Center

Senior Vice President and Chief Scientific Officer, Boston Children's Hospital

Chief, Hematology/Oncology, Boston Children's Hospital

Institute Physician

Leland Fikes Professor of Pediatrics, Harvard Medical School
Office Phone: 617-919-2697
Appointment Phone: 617-355-8246, ext. 1
Fax: 617-730-0934
Preferred Contact Method: appointment phone


Treatment Centers
Pediatric Hematology/Oncology
Clinical Interests
Aplastic anemia, Blood formation, Chronic granulomatous disease, Fanconi anemia and other genetic disorders, Gene therapy, Genetic blood disorders, Hematopoiesis, Neutropenia and neutrophil dysfunction syndromes, Stem cell biology, Viral vectors


Boston Children's Hospital
300 Longwood Ave.
Boston, MA  02115


Board Certifications
Boston Children's Hospital/Dana-Farber Cancer Institute, Pediatric Hematology/Oncology, 1985
Cincinnati Children's Hospital Medical Center, Pediatrics, 1982
Pediatrics, Cincinnati's Children's Hospital Medical Center, Cincinnati, OH
Medical School
Indiana University School of Medicine, Medicine, 1979

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Appointments & Second Opinions

Speak with one of our New Patient Coordinators to schedule an appointment, refer a patient or request a second opinion. In urgent cases, we can typically see new patients within 24 hours.

Clinical Trials

Search our wide range of clinical trials, including novel therapies, immunotherapy and personalized therapy.callout bg

Harvard Medical Affiliate

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As a teaching affiliate of Harvard Medical School, our physicians are passing on their expertise to the next generation of pediatric hematologists and oncologists.