Nicholas DeBellis, MD
Dr. Nicholas DeBellis is a leading orthopedic surgeon and sports medicine specialist, currently serving as the Medical Director and President of South Island Orthopedics. Based in Cedarhurst, NY, and dedicated to the Long Island community, Dr. Nicholas DeBellis has built a strong reputation for his expertise in treating a wide range of complex injuries.
With a distinguished background that includes a Sports Medicine Fellowship at the University of Southern California, Dr. Nicholas DeBellis is uniquely equipped to address the complex needs of athletes and active patients. He is also highly experienced in treating patients recovering from acute and chronic injuries due to car accidents and work accidents. His practice specializes in trauma care, offering solutions for athletes, weekend warriors, as well as no-fault insurance and workers’ compensation cases, ensuring accessible, comprehensive care for patients dealing with a wide range of orthopedic challenges.
Dr. Nicholas DeBellis is board-certified by the American Board of Orthopaedic Surgery and brings specialized expertise in arthroscopic procedures and trauma care. His rigorous training includes an Orthopaedic Surgery Residency at the Icahn School of Medicine at Mount Sinai, with rotations in trauma and oncology at Memorial Sloan Kettering Cancer Center. This extensive training has given him the skill and insight to handle complex cases and provide advanced, patient-centered care for those facing serious orthopedic injuries.
His research contributions focus on enhancing patient outcomes and minimizing recovery times, including studies on opioid reduction and knee injury management. Dr. Nicholas DeBellis is passionate about patient education, ensuring his patients have the knowledge they need to make informed decisions about their health and recovery.
Serving patients across Cedarhurst, Rockville Centre, and neighboring Long Island and Queens areas, Dr. Nicholas DeBellis holds privileges at Mercy Medical Center, St. Joseph’s Hospital, East Hills Surgery Center, Optum DayOp Surgery Center and North Queens Surgery Center. Known for his compassionate care, expert surgical skills, and dedication to each patient’s unique needs, Dr. Nicholas DeBellis is the trusted choice for athletes, car accident victims, and injured workers across the New York 5 boroughs and Long Island.
Certification
- American Board of Orthopaedic Surgery, Board Certified
Education & Training
- University of Southern California, Los Angeles, CA
- Orthopaedic Sports Medicine Fellowship
- Icahn School of Medicine at Mount Sinai, New York, NY
- Orthopaedic Surgery Residency
- Westchester Medical Center, Valhalla, NY
- Orthopaedic Trauma Resident
- Memorial Sloan Kettering Cancer Center, New York, NY
- Orthopaedic Oncology Resident
- New York Medical College School of Medicine, Valhalla, NY
- Doctor of Medicine
- The Pennsylvania State University, University Park, PA
- Bachelor of Science in Kinesiology
Honors and Awards
- Alpha Omega Alpha Medical Honors Society, Inductee
- Schreyer’s Honors College, Inductee
- A Division of USA Top Docs, NY Top Docs 2024
Professional Experience
- Assistant Team Physician, University of Southern California Football Team
- Assistant Team Physician, University of Southern California Women’s Volleyball Team
- Physician Support Staff, EPIC Go Live, Mount Sinai Roosevelt Hospital
Professional Societies
- American Academy of Orthopaedic Surgeons
- American Orthopaedic Society for Sports Medicine