David S. Geller, MD

Vice Chairman, Strategy and Innovation Co-Director, Orthopedic Oncology Associate Director, Musculoskeletal Oncology Laboratory Associate Professor, Orthopedic Surgery and Pediatrics

David S. Geller, MD

Primary Location

Montefiore Greene Medical Arts Pavilion 3400 Bainbridge Avenue Bronx, NY 10467-2404


  • Orthopedic Oncology


Phone: 718-920-2060


David S. Geller is a board certified orthopedic oncologist who specializes in the treatment of both pediatric and adult patients with bone and soft-tissue tumors. He has been a full-time faculty member at Montefiore since 2006. He is an Associate Professor of Orthopedic Surgery and Pediatrics at our Albert Einstein College of Medicine.

Dr. Geller is known for his expertise in musculoskeletal tumor surgery, with specific experience in bone and soft-tissue sarcomas, such as osteosarcoma, Ewing’s sarcoma, liposarcoma and synovial sarcoma. He has extensive experience in managing patients with metastatic carcinoma of the bone as well. He routinely offers limb-salvage surgery using a wide array of reconstructive tools.

Dr. Geller earned his medical degree from Tel Aviv University’s Sackler School of Medicine and completed an orthopedic surgery residency at Montefiore. He received his fellowship training from the Harvard Combined Orthopedic Oncology Program, which included Massachusetts General Hospital, Boston Children’s Hospital, and Beth Israel Deaconess Medical Center.

Dr. Geller serves as the Associate Director of the Musculoskeletal Oncology Research Laboratory at Montefiore. He leads numerous translational research efforts designed to investigate the pathophysiology and molecular mechanisms of bone and soft tissue cancers. He is interested in improved surgical techniques and novel therapeutic approaches for primary malignant bone tumors. He is actively involved in collaborative clinical trials both nationally and internationally.

Dr. Geller is an active member of the American Academy of Orthopedic Surgeons, Muskuloskeletal Tumor Society, Connective Tissue Oncology Society, Children’s Oncology Group, American Orthopedic Association, and the American Association for Cancer Research.

Research Focus

Osteosarcoma, with an interest in innovative treatment strategies for both local disease control and metastatic disease; evaluation of expression patterns in osteosarcoma and surgical margins using a xenograft osteosarcoma murine model; the functional role of bone morphogenetic proteins in osteosarcoma surgery; use of intraoperative navigation techniques for tumor surgery; tumorigenesis of osteosarcoma

Clinical Focus

Orthopedic oncology, orthopedic surgery, bone and soft tissue sarcomas, benign bone and soft-tissue tumors, metastatic carcinoma on the bone

Education & Training

  • Medical School

    Tel Aviv University, Sackler School of Medicine

  • Residency

    Montefiore Medical Center

  • Fellowship

    Harvard Orthopedic Oncology Program, Massachusetts General Hospital, Boston Children’s Hospital, and Beth Israel Deaconess Medical Center


  • Alan Darby Case Report of the Year Award

    Skeletal Radiology [ 2009 ]

  • Teacher of the Year

    Orthopedic Surgery [ 2010 ]

  • Alumni of the year

    Orthopedic Surgery [ 2012 ]

  • Castle Connolly Top Doctors

    New York Metro Area