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

Mark C. Gebhardt, MD

  • Frederick W. and Jane M. Ilfeld Professor of Orthopedic Surgery, Harvard Medical School

Appointment Phone

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


  • 617-730-0456


Treatment Centers


Clinical Interests

Bone and soft tissue tumors, Ewing sarcoma, Osteosarcoma



Board Certifications

  • Orthopaedic Surgery


  • Boston Children's Hospital, Orthopaedic Surgery, 1983
  • Massachusetts General Hospital, Orthopaedic Oncology, 1983


  • Harvard Combined Orthopaedic Surgery Residency Program, 1982


  • University Health Center of Pittsburgh, Pittsburgh, 1977

Medical School

  • University of Cincinnati College of Medicine, 1975