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Your Trusted Orthopedic Care Partner in Cedarhurst, NY
At South Island Orthopedics, we deliver world-class orthopedic care tailored to patients of all ages across Long Island. Our board-certified, fellowship-trained physicians specialize in sports medicine, spine care, joint replacement, and youth orthopedic services, ensuring personalized treatment plans for every individual. Utilizing advanced techniques such as minimally invasive procedures and robot-assisted surgery, we prioritize faster recovery and reduced discomfort. With on-site imaging capabilities including digital X-rays, ultrasounds, and MRIs, we streamline diagnostics and treatment under one roof.

Serving Nassau and Suffolk Counties, including Cedarhurst, Rockville Centre, and surrounding areas, we are committed to compassionate care, technical expertise, and patient education. Our philosophy emphasizes non-surgical solutions first, resorting to surgery only when necessary, while fostering active patient participation through education and exercise programs. As a trusted partner in orthopedic health, we combine decades of experience with cutting-edge technology to help patients regain mobility and return to their daily lives stronger.
Services
General Orthopedics Sports Medicine Arthroscopy Youth Orthopedics Fracture Treatment ACL Surgery Joint Replacement Diagnostic Testing Osteoporosis Treatment Car Accident Injuries
Highlights and features
  • We offer board-certified orthopedic surgeons with fellowship training in specialized areas.
  • We utilize minimally invasive techniques for faster recovery and reduced scarring.
  • We provide personalized care plans tailored to individual patient needs.
  • We have on-site imaging facilities for convenient diagnostics and treatment.
  • We specialize in treating both adult and pediatric orthopedic conditions.
What people say
Expert care Successful recoveries Personalized treatment Board-certified surgeons Aggressive PT support
Services
General Orthopedics
General orthopedics addresses musculoskeletal conditions affecting bones, joints, and soft tissues. Our specialists diagnose and treat arthritis, fractures, and sports injuries using both surgical and non-surgical methods. Patients benefit from personalized care plans focused on pain relief, improved mobility, and long-term joint health.
Sports Medicine
Sports medicine specializes in treating injuries from athletic activities, including ligament tears and overuse conditions. We offer arthroscopic surgery, PRP therapy, and rehabilitation programs tailored to athletes. Our goal is to ensure safe, rapid recovery while preventing future injuries through targeted training guidance.
Arthroscopy
Arthroscopy uses small incisions and a camera to repair joint damage with minimal tissue disruption. This technique treats knee, shoulder, and hip injuries, reducing recovery time and scarring. Patients experience less pain and faster return to daily activities compared to traditional open surgery.
Youth Orthopedics
Youth orthopedics focuses on injuries and conditions in children and teens, including fractures and growth plate issues. Our team provides age-appropriate treatments to ensure proper bone development. We emphasize non-surgical options and collaborate with physical therapists to restore mobility safely.
Joint Replacement
Joint replacement surgery restores function to severely damaged hips and knees through prosthetic implants. We use anterior approach techniques for hip replacements and minimally invasive methods to enhance recovery. Patients receive comprehensive pre- and post-operative care to optimize outcomes and long-term joint performance.
People
Nicholas DeBellis
MD
Dr. Nicholas DeBellis is a board-certified orthopedic surgeon specializing in sports medicine and arthroscopic procedures. With fellowship training in sports medicine, he serves as team physician for Molloy University Athletics. Dr. DeBellis focuses on minimally invasive techniques to treat knee and shoulder injuries, emphasizing rapid recovery for athletes.
Garrett Moss
MD
Dr. Garrett Moss is a board-certified orthopedic surgeon with expertise in joint replacement and complex fracture care. His fellowship training in adult reconstructive surgery informs his approach to hip and knee replacements. Dr. Moss prioritizes patient education and individualized treatment plans to restore mobility and reduce pain.
Munif Hussain
DO, MS, CAQSM
Dr. Munif Hussain is a board-certified sports medicine physician with advanced training in musculoskeletal medicine. He specializes in non-surgical treatments for athletes, including regenerative therapies and ultrasound-guided injections. Dr. Hussain emphasizes conservative care and performance optimization for active individuals.
Questions
What orthopedic services does South Island Orthopedics offer?
We provide general orthopedics, sports medicine, arthroscopy, joint replacement, youth orthopedics, fracture care, and diagnostic imaging services for musculoskeletal conditions.
Do you treat both adults and children?
Yes, our specialists care for patients of all ages, offering tailored treatments for adult joint issues and pediatric orthopedic injuries.
Are your physicians board-certified?
All our orthopedic surgeons are board-certified or eligible, with fellowship training in specialized areas like sports medicine and joint replacement.
What surgical techniques do you use?
We prioritize minimally invasive arthroscopic procedures and anterior approach hip replacements to reduce recovery time and improve outcomes.
How can I schedule an appointment?
Request an appointment online or call our Cedarhurst office at 516-295-0111 or Rockville Centre location at 516-665-9200.
Do you offer urgent orthopedic care?
Yes, we provide same-day appointments for urgent and emergency orthopedic injuries at our Cedarhurst and Rockville Centre locations.