Org chart
Sally Frank
Chief Operating Officer
Sally Frank
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Brent Higgins
VP - Payer Strategy
Raymond Gordon
VP of Information Technology
Rishi Parikh
Vice President Operations
Katherine B. Vadasdi
Director, ONS Women's Sports Medicine, Sports Medicine Specialist & Elbow, Knee & Shoulder Surgeon
Jonathan L. Berliner
Director, ONS Outpatient Joint Replacement Center & Adult Reconstruction and Joint Replacement Surgeon
Benjamin Greene
Primary Care Pediatric & Adult Sports Medicine & Director, Sports Concussion Center
Brian F. Kavanagh
Director of Hip & Knee Replacement, Greenwich Hospital
Tamar Kessel
Director of Ultrasound & Interventional Physiatrist
Paul Apostolides
Neurosurgeon
Mark H. Camel
Neurosurgeon
Amory J. Fiore
Neurosurgeon
Marc Otten
Neurosurgeon
Scott L. Simon
Neurosurgeon
Matthew B. Cantlon
Hand & Upper Extremity Surgeon
Frank J. Aversano
Hand & Upper Extremity Surgeon
Mark A. Vitale
Hand, Wrist & Elbow Surgeon
David Wei
Hand, Wrist & Elbow Surgeon
Seth R. Miller
Shoulder Surgeon
Paul M. Sethi
Sports Medicine Specialist & Shoulder & Knee Surgeon
Demetris Delos
Sports Medicine Specialist & Shoulder & Knee Surgeon
Megan M. Gleason
Sports Medicine Specialist & Knee & Shoulder Surgeon
Tim Greene
Sports Medicine Specialist & Shoulder, Knee & Hip Surgeon
Marc S. Kowalsky
Sports Medicine Specialist & Shoulder, Elbow & Knee Surgeon
David Bomback
Orthopedic Spine Surgeon
David L. Kramer
Orthopedic Spine Surgeon
Kevin J. Choo
Adult Reconstruction & Joint Replacement Surgeon
Michael R. Clain
Foot & Ankle Surgeon
Andrew Pao
Foot & Ankle Surgeon
Frank A Ennis
Adult Reconstruction & Joint Replacement Surgeon
Jeffrey Heftler
Interventional Physiatrist & Sports & Spine Rehabilitation
Melissa LaRusso
Rheumatologist
Alex Levchenko
Interventional Physiatrist
Christopher S. Sahler
Interventional Physiatrist
Gary Solomon
Physiatrist
