Marc Agulnick M.D., FAAOS is board-certified orthopedic spine surgeon serving patients throughout Long Island and the surrounding New York metropolitan area. His approach combines extensive surgical experience, advanced knowledge of spinal biomechanics and reconstruction, and a commitment to developing individualized treatment strategies for each patient.

  • Adult and pediatric spine surgery

  • Cervical spine surgery

  • Thoracic spine surgery

  • Lumbar spine surgery

  • Spinal deformity and complex reconstruction

  • Revision and complex spine surgery

  • Spinal trauma

  • Cervical and lumbar disc arthroplasty

  • Spinal fusion and instrumentation

  • Degenerative spinal conditions

  • Spinal stenosis and spondylolisthesis

  • Complex spinal infections and reconstruction

  • Minimally invasive and navigated spinal surgery

Areas of expertise include:

Academic Background

Dr. Agulnick earned his medical degree from the University of Medicine and Dentistry of New Jersey–New Jersey Medical School, graduating in the top 10% of his class and being elected to the Alpha Omega Alpha (AOA) medical honor society. He completed his orthopedic surgery residency at Stony Brook University, where he served as Administrative Chief Resident and received awards for outstanding academic performance. He subsequently completed an advanced fellowship in Adult and Pediatric Spine Surgery at the Beth Israel Spine Institute in New York City. Dr. Agulnick is board certified by the American Board of Orthopaedic Surgery.

Career Experience

Since establishing his private practice in 2007, Dr. Agulnick has developed extensive expertise in the surgical management of complex spinal conditions. He has served as Chief of the Division of Orthopaedic Spine Surgery at NYU Winthrop University Hospital and maintains hospital affiliations with leading institutions across Long Island, including St. Francis Hospital and Mount Sinai South Nassau. His clinical and academic experience encompasses a broad range of spinal pathology, including degenerative disorders, spinal deformity, instability, trauma, complex reconstruction, and conditions requiring revision surgery.

Professional Recognition

Dr. Agulnick has contributed extensively to the orthopedic and spine literature, with numerous peer-reviewed publications, book chapters, presentations, and research projects focused on advanced spine surgery. His published work includes topics such as cervical and lumbar fusion, cervical disc arthroplasty, spinal deformity, complex reconstruction, cerebrospinal fluid leaks, spinal instrumentation, and intraoperative neuromonitoring. He has also served as faculty and laboratory instructor for advanced spine surgery courses and educational programs. Recognized for his expertise and longstanding commitment to orthopedic spine care, Dr. Agulnick has been named a Castle Connolly Top Doctor from 2021 through 2024.