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Ari J. Wassner, MD

Pediatric Hematology/Oncology

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Ari J. Wassner, MD


  • Assistant Professor of Pediatrics, Harvard Medical School


Clinical Interests

  • Endocrine oncology
  • Pediatric endocrine tumors
  • Pediatric endocrinology
  • Pheochromocytoma/Paraganglioma

Diseases Treated

Contact Information

  • Appointments888-733-4662 (New Pediatric Patients)
    617-632-3270 (Established Pediatric Patients)


Dr. Wassner is Medical Director of the Thyroid Center at Boston Children's Hospital and Assistant Professor of Pediatrics at Harvard Medical School in Boston, Massachusetts. He earned his MD from Harvard Medical School, and he completed residency and chief residency in Pediatrics followed by fellowship in Pediatric Endocrinology at Boston Children's Hospital. In addition to practicing general pediatric endocrinology, Dr. Wassner's clinical specialties are in pediatric endocrine tumors and pediatric thyroid disease, and he is actively engaged in clinical research in these areas.

Board Certification:

  • Pediatric Endocrinology, 2013
  • Pediatrics, 2008


  • Boston Children's Hospital, Pediatric Endocrinology


  • Boston Combined Residency Program in Pediatrics

Medical School:

  • Harvard Medical School


Boston Children's Hospital
300 Longwood Avenue
Boston, MA 02215
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