Pay My Bill
Call: (203) 869-1145
Online SchedulingAbout 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 […]
Credential: MD
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 […]
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 […]
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 […]
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 […]
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 & […]
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 […]
Frank Aversano
About Frank J. Aversano, MD, is a board-certified orthopedic surgeon who is fellowship-trained in diagnosing and treating pediatric and adult hand and upper extremity conditions. Dr. Aversano’s expertise includes treatment of arthritis of the hand, wrist, and elbow; fractures and sports injuries of the hand and upper extremity; tendon and ligament injuries including rotator cuff […]
Paul Apostolides
About Paul Apostolides, MD is a fellowship-trained neurosurgeon specializing in spine surgery and section head of neurosurgery at Greenwich Hospital. He has extensive experience in minimally invasive and reconstructive spine surgery including minimally invasive spinal fusion. His clinical interests encompass a range of advanced techniques and conditions such as fusionless options for spondylolisthesis, degenerative disc […]
Marc S. Kowalsky
About Dr. Marc Kowalsky is a board-certified orthopedic surgeon specializing in Sports Medicine and Shoulder & Elbow Surgery, practicing at the ONS offices in Greenwich, Harrison, and Stamford. After completing residency training at Columbia University Medical Center / New York Orthopaedic Hospital, he received fellowship training both in Sports Medicine at Lenox Hill Hospital / […]