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Online SchedulingAbout 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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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 / […]