Appointments and 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.

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Find Clinical Trials

We sponsor and collaborate on clinical trials that break new ground in pediatric cancer and blood disorder treatment. 

Search Pediatric Cancer and Blood Disorder Clinical Trials
Our Affiliations
HMS Affiliate

Dana-Farber/Boston Children's is a teaching affiliate of Harvard Medical School.

Our Affiliations

Katie A. Greenzang, MD, EdM

  • Assistant Professor of Pediatrics, Harvard Medical School
  • Associate Program Director, Pediatric Hematology/Oncology Fellowship Program

Appointment Phone

  • 617-632-3270 (Established Pediatric Patients)
  • 888-733-4662 (New Pediatric Patients)


  • 617-632-5710


Treatment Centers


Clinical Interests

Medical education, Pediatric oncology, Survivorship



Board Certifications

  • Pediatric Hematology/Oncology
  • Pediatrics, 2012


  • Boston Children's Hospital/Dana-Farber Cancer Institute, Pediatric Hematology/Oncology, 2016


  • University of Washington, Seattle Children's Hospital, Chief Pediatrics Resident, 2013
  • University of Washington, Seattle Children's Hospital, Pediatrics, 2012


  • University of Washington, Seattle Children's Hospital, Pediatrics, 2010

Medical School

  • Columbia University College of Physicians & Surgeons, 2009

Physician Video