After-Hours Urgent Ortho Care is now available in Wilton, Monday to Friday from 4:00 pm to 7:00 pm and Saturdays from 12:00 to 4:00 pm. Walk-ins welcome.

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Please note: Orthopaedic & Neurosurgery Specialists (ONS) requires payment of outstanding balances at the time of check-in for your appointment. Thank you.

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Benjamin Greene

About Dual board certified in both primary care sports medicine and pediatric medicine, Dr. Greene specializes in the non-operative management of musculoskeletal injuries in adults and children. He has advanced skills in ultrasound-guided injections, dance medicine, and concussion management. Dr. Greene graduated from the University of Wisconsin with a bachelor’s degree in human development and […]

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Tim Greene

About Tim Greene, MD is an orthopedic surgeon who is fellowship trained in sports medicine and hip arthroscopy—a technique that has revolutionized the treatment of various hip problems. He performs a range of shoulder replacement procedures, including total shoulder replacement, reverse shoulder replacement, and partial shoulder replacement. Dr. Greene graduated from Princeton University and earned […]

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Megan M. Gleason

About Dr. Gleason is board-certified in orthopaedic surgery and sports medicine. Her practice focuses on the diagnosis and treatment of activity and sports-related injuries in the knee, shoulder and elbow. Dr. Gleason performs a range of shoulder replacement procedures, including total shoulder replacement, reverse shoulder replacement, and partial shoulder replacement. Dr. Gleason graduated from Dartmouth […]

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Amory J. Fiore

About Amory J. Fiore, MD is a fellowship-trained neurosurgeon, specializing in spine surgery. His clinical interests encompass a range of advanced techniques and conditions such as fusionless options for spondylolisthesis, degenerative disc disease, pinched nerves, herniated/bulging disc treatments, fusion sparing surgery, minimally invasive lumbar discectomy, anterior cervical discectomy and fusion, robot-assisted spinal fusion, cervical arthroplasty […]

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Demetris Delos

About Demetris Delos, MD is a fellowship trained, board-certified orthopedic surgeon who specializes in knee, shoulder and elbow conditions. He is a nationally recognized leader in sports medicine and knee and shoulder surgery. Dr. Delos has over 30 peer-reviewed articles and more than 50 national and international presentations. He has authored or co-authored more than five […]

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Michael R. Clain

About Michael Clain, MD, is an orthopedic surgeon who specializes in foot and ankle surgery. After graduating from Brown University in Providence, RI, Dr. Clain earned his medical degree at Columbia University College of Physicians and Surgeons in NY. He did his internship in general surgery at Mount Sinai Hospital, followed by a residency in […]

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Kevin J. Choo

About Kevin J. Choo, MD, is a board-certified orthopedic surgeon who specializes in primary hip and knee replacement for the treatment of degenerative osteoarthritis, inflammatory arthritis, avascular necrosis, hip dysplasia, and post-traumatic arthrosis. He is fellowship-trained in direct anterior hip replacement, the use of computer- and robotic-assisted technology, and partial knee replacement. Dr. Choo specializes […]

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Matthew B. Cantlon

About Matthew B. Cantlon, MD, is a board-certified orthopaedic surgeon and a fellowship-trained specialist in the diagnosis and treatment of both pediatric and adult upper extremity conditions. Dr Cantlon’s expertise includes treatment of arthritis of the hand, wrist and elbow; fractures of the upper extremity; nerve compression syndromes including carpal tunnel and cubital tunnel syndromes; masses […]

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David Bomback

About Dr. Bomback has excelled throughout his entire academic career. After graduating high school as salutatorian, he then graduated cum laude from Columbia College, Columbia University where he was named one of only five Rabi Scholars (for mathematics and science) in his class. He then earned his medical degree at Columbia College of Physicians & […]

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Jonathan L. Berliner

About Jonathan L. Berliner, MD, Director of the ONS Outpatient Joint Replacement Center, is a board certified orthopaedic surgeon and fellowship-trained specialist in hip and knee replacement. His expertise includes muscle sparing anterior hip replacement, minimally invasive total knee and partial knee replacement, complex revision total hip and total knee replacement, computer-assisted surgery, and trauma […]

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