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Derek Gartland Hansen, MD

Orthopedic Oncology, Trauma, Metabolic Bone
HSS at NewYork-Presbyterian/Weill Cornell Medicine logo

About Dr. Hansen


Dr. Hansen is a board certified orthopedic surgeon with specialized training in orthopedic oncology and metabolic bone diseases. He specializes in the treatment of bone and soft tissue tumors, and metabolic bone diseases such as osteoporosis and more unusual conditions. He also cares for patients with fractures and those in need of joint reconstruction.

Dr. Hansen grew up in Madison, CT, and was an avid lacrosse and football player. He attended Saint Lawrence University where he continued playing lacrosse, and graduated magna cum laude and Phi Beta Kappa. He attended the University of Connecticut School of Medicine and went on to do his residency in orthopedics at Stony Brook University. After graduation Dr. Hansen went on to do two fellowships - one in orthopedic oncology at Memorial Sloan Kettering and the second in metabolic bone disease at Hospital for Special Surgery under Dr. Joseph Lane.

His research interests include metastatic bone disease, benign and malignant bone and soft tissue tumors, fracture healing, avascular necrosis, and osteoporosis treatment. Dr. Hansen strives to use evidence based practices and patient education to help formulate an individualized treatment plan for all of his patients.

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Special Expertise

Orthopedic oncology
Malignant and benign bone tumors (Osteogenic, Ewing’s, and soft-tissue sarcomas)
Fractures, non-unions, and delayed healing
Metabolic bone disease (osteoporosis, Paget’s disease, rickets, osteomalacia, fibrous dysplasia, melorheostosis)
Geriatric hip fractures
Avascular necrosis of the hip


Bone and soft tissue tumor 
Metastatic bone disease
Metabolic bone diseases
Fracture care
Joint reconstruction

Patient Stories

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If your insurance is not listed, please call our office if you have questions regarding your insurance coverage. If you have out-of-network benefits, then your insurance may reimburse you for a portion of your office visit. We will work with you and your insurance to minimize your out-of-pocket costs. Financial assistance may be available for patients in need.



Assistant Attending Orthopedic Surgeon, Hospital for Special Surgery
Assistant Professor of Orthopedic Surgery, Weill Cornell Medical College
Assistant Attending Orthopedic Surgeon, NewYork-Presbyterian Hospital


American Board of Orthopaedic Surgeons


Phi Beta Kappa, 2008
Omicron Delta Kappa, National Leadership Honor Society, 2008
Sigma Xi, Scientific Research Honor Society, 2011
Outstanding Resident of the Year, 2014
Resident Research Award, 2017


University of Connecticut School of Medicine, 2012


Stony Brook University Hospital, 2012


Stony Brook University Hospital, 2017


Orthopaedic Oncology, Memorial Sloan Kettering, 2018
Metabolic Bone Disease, Hospital for Special Surgery, 2019

State Licensure



For My Patients

Publications by Dr. Hansen

Selected Presentations

Hansen D, Healey JH, Fabbri N. Computer-assisted navigation for percutaneous fixation of extensive metastatic cancer of thepelvis. Musculoskeletal Tumor Society Annual Meeting, New York, New York, October 10-12, 2018.

Hansen D, Jew N, Healey JH, Athanasian EA. Neurologic deficits following excision of schwannomas of the upper extremity.Musculoskeletal Tumor Society Annual Meeting, New York, New York, October 10-12, 2018.


Industry Relationships

Industry Relationships

One of the goals of HSS is to advance the science of orthopedic surgery, rheumatology, and related disciplines for the benefit of patients. Physicians at HSS may collaborate with outside companies for education, research and medical advances. HSS supports this collaboration in order to foster medical breakthroughs; however HSS also believes that these collaborations must be disclosed.

As part of the disclosure process, this website lists physician collaborations with outside companies. The disclosures are provided by information provided by the physician and other sources and are updated regularly. Further information may be available on individual company websites.

Below are the healthcare industry relationships reported by Dr. Hansen as of March 23, 2023.

Globus Medical, Inc. - Consultant

By disclosing the collaborations of HSS physicians with industry on this website, HSS and its physicians make this information available to their patients and the public, thus creating a transparent environment for those who are interested in this information. Further, the HSS Conflicts of Interest Policy does not permit physicians to collect royalties on products developed by him/her that are used on patients at HSS.

Patients should feel free to ask their HSS physicians questions about these relationships.