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William D. Zelenty, MD

Spine Surgery
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About Dr. Zelenty


Dr. Zelenty is a spine surgeon at HSS with special expertise in diagnosing and treating a range of spinal disorders including degenerative, traumatic, congenital, and developmental conditions affecting the cervical, thoracic, and lumbosacral spine. He is engaged in clinical research focused on minimally invasive treatments and postoperative pain management for spine surgery which continues to expand his expertise and contribute to the surgical field at large. He has experience using advanced techniques including minimally invasive spine surgery, lateral and anterior surgery, computer navigation, augmented reality and robotic surgery.

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Special Expertise

Adolescent idiopathic scoliosis
Ankylosing spondylitis
Atlantoaxial instability, subluxation
Cervical spondylosis
Cervical radiculopathy
Cervical deformity
Congenital cervical spine anomalies (e.g. Klippel-Feil Syndrome)
Disc herniation
Diffuse Idiopathic Skeletal Hyperostosis (DISH)
Kyphosis (deformity including Scheuermann's Kyphosis)
Lumbar radiculopathy
Lumbar stenosis
Myelopathy (including cervical and thoracic)
Rheumatological disease of the spine
Scoliosis (congenital, developmental, and acquired deformities)
Spinal deformity


Decompression surgery of the cervical, thoracic, and lumbar spine including: laminectomy, minimally invasive laminectomy, laminotomy, laminoforaminotomy, microdiscectomy, corpectomy and cervical laminoplasty.

Fusion procedures of the cervical, thoracic, and lumbosacral spine including: posterior spinal fusion with instrumentation (cervical, thoracic and lumbar), posterior lumbar interbody fusion, transforaminal lumbar interbody fusion, anterior lumbar interbody fusion, lateral lumbar interbody fusion, anterior cervical discectomy and fusion.

Deformity surgery for adult and pediatric spinal deformities including cervical, thoracic, and lumbar spinal deformity. Techniques utilized include: pedicle subtraction osteotomy, Ponte/Smith-Peterson osteotomy, and vertebral column resection/corpectomy/vertebrectomy.

Motion preserving surgeries including cervical and lumbar disc replacement surgery.

Minimally invasive, 3D computer navigated and robotic surgery

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
American Academy of Orthopaedic Surgeons
Cervical Spine Research Society
Lumbar Spine Research Society
North American Spine Society
Society for Minimally Invasive Spine Surgery
Scoliosis Research Society


American Board of Orthopaedic Surgeons - Board Eligible


Medical School: New York University School of Medicine, 2016
Internship: Georgetown University Hospital, 2017
Residency: Georgetown University Hospital, 2021
Fellowship: Hospital for Special Surgery, 2022

State Licensure



For My Patients

Publications by Dr. Zelenty

Patient Education

Selected Journal Articles

Selected Books/Chapters

Zelenty W, Dean DM, Mo FF. 2020. Posterior Thoracic Instrumentation for Scoliosis. In: O'Brien J, Kalantar SB, Drazin D, Sandhu FA, eds. 1st ed. Switzerland: Springer International Publishing. p. 87-96.

Selected Presentations

Zawadsky MW, Zelenty W, Windsor E, Verstraete R, Bodendorfer BM. Early Outcomes of Obese Patients Undergoing Total Hip Arthroplasty: Comparison of Anterior to Posterior Approach. International Symposium for Technology in Arthroplasty. London, UK. Oct 2018.

Yoon R, Zelenty W, Shabtai L, Choi P, Martin B, Horn D, Godfried D, Feldman D, Otsuka N. Percutaneous vs Open Reduction and Fixation for Tillaux and Triplane Fractures: A Multi-Center Study. Orthopaedic Trauma Association Meeting. Vancouver, CA. Oct 2017.

Zelenty W, Morris D, Maximon L, Dhuga K. Optical Monitoring of Symbiotic Stars and Triggering Multiwavelength Follow-up. American Astronomical Society Meeting #215. Washington, DC. Jan 2010.


Dr. Zelenty has a specific interest in minimally invasive surgical techniques used for adult spinal deformity including laterally based interbody fusions. In addition, he works in conjunction with his colleagues in the Department of Anesthesiology, Critical Care & Pain Management to do clinical research on postoperative pain management strategies for spinal surgery including an ongoing randomized controlled trial involving continuously delivered local anesthesia.

Industry Relationships

Industry Relationships

HSS has a long history of supporting appropriate relationships with industry because they advance HSS's mission to provide the highest quality patient care, improve patient mobility, and enhance the quality of life for all, and to advance the science of orthopedic surgery, rheumatology, and their related disciplines through research and education.

As of May 11, 2024, Dr. Zelenty reported no relationships with the healthcare industry.

HSS and its physicians make this information available to patients and the public, thus creating a transparent environment for those who are interested in this information. Further, the HSS Conflicts of Interest and Commitment Policy prohibits physicians from collecting royalties on products they develop that are used on patients at HSS.