Dr. Ryan Cassilly focuses his practice on providing surgical and non-surgical treatment for degenerative conditions and abnormalities of the cervical (neck), thoracic (mid-back), and lumbar spine (low back).
Dr. Ryan Cassilly focuses his practice on providing surgical and non-surgical treatment for degenerative conditions and abnormalities of the cervical (neck), thoracic (mid-back), and lumbar spine (low back).
Originally from St. Louis, Missouri, orthopaedic spinal surgeon Dr. Ryan Cassilly focuses his practice on providing surgical and non-surgical treatment for degenerative conditions and abnormalities of the cervical (neck), thoracic (mid-back), and lumbar spine (low back). Dr. Cassilly earned his undergraduate degree in biomedical engineering from Washington University in St. Louis, graduating magna cum laude. During his time there, the National Institutes of Health bestowed two research grants upon him for the purpose of studying the use of robotics in surgery. Dr. Cassilly then attended Columbia University College of Physicians and Surgeons, earning his medical degree.
After medical school, Dr. Cassilly began a five-year orthopaedic residency at the New York-Presbyterian Hospital, which is part of the Columbia University Medical Center. He was presented with the Harold M. Dick Award for Excellence in Orthopaedic Surgery, and he was also nominated as a New York-Presbyterian Hospital – Columbia Physician of the Year. Dr. Cassilly went on to complete a Fellowship in Spinal Surgery at New York University – Hospital for Joint Diseases. His primary focus was on degenerative spinal pathology, complex pediatric and adult spine deformity, disc arthroplasty, epidural injections, and minimally invasive spinal operations. Dr. Cassilly has also written textbook chapters on the physical examination of the spine and how to use osteobiologics (bone grafting aids) in spinal fusion surgery.
Garden State Orthopaedic Associates asked Dr. Cassilly to join the practice in 2016, where he continues to offer patient-focused, customized, and compassionate care. He is committed to helping individuals enjoy a better quality of life through both non-surgical and surgical approaches. Dr. Cassilly has privileges at The Valley Hospital, Holy Name Hospital, and St. Joseph’s Regional Medical Center. He is an active member of several esteemed medical organizations, and is a board-certified Orthopaedic Surgeon by the American Board of Orthopaedic Surgery.
Dr. Cassilly lives in Bergen County with his wife and children.
Education and Training
New York University – Hospital for Joint Diseases – Fellowship in Spinal Surgery
New York-Presbyterian – Columbia University Medical Center – Orthopaedic Residency
Columbia University College of Physicians and Surgeons – MD
Washington University in St. Louis – Bachelor of Science in Biomedical Engineering
Memberships and Awards
Harold M. Dick Award for Excellence in Orthopaedic Surgery
NYP – Columbia Physician of the Year Nominee
American Academy of Orthopaedic Surgeons
Went over my condition very thoroughly and professionally
Very professional great energy
Thank you, doctor, for all that you do. You are a fantastic and caring physician who truly engages with your patients.
Dr. Cassily is an exceptional orthopedic specialist at GSOA. From the moment I walked into the clinic, the staff was welcoming and professional, creating a comfortable environment. Dr. Cassily took the time to listen to my concerns, thoroughly explained my diagnosis, and outlined a clear treatment plan. His expertise and attention to detail are impressive, and I felt confident in his recommendations. After following his advice, I've experienced significant improvement in my condition. I highly recommend Dr. Cassily to anyone seeking orthopedic care. He truly deserves five stars for his outstanding service and dedication to patient well-being!
Cool guy and easy to reach
Dr is very knowledgeable and kind . He had great bed side manners . Listens to what patient say and try his best to make them feel better . Great dr
Outstanding doctor. So kind, considerate and understanding!
Knowledgeable, professional w/ a warm, comforting demeanor …
Very professional and helpful in explaining my injury
Excellent service listen explains