Pay My Bill
Call: (203) 869-1145
Online SchedulingAbout Dr. Marc Otten is a fellowship-trained, board-certified neurosurgeon who specializes in treating disorders and injuries of the brain and spine, both non-surgically and surgically. He also currently serves as Assistant Professor of Neurosurgery at Columbia University Medical Center. His research and sub-specialty training focus is on brain tumors and his work with patients with […]
Credential: MD
Seth R. Miller
About Dr. Miller has performed over 1,800 total shoulder and reverse shoulder replacement surgeries during his more than 30 years in practice. He was one of the first shoulder surgeons in the State to perform the reverse shoulder replacement procedure, which has been the most significant breakthrough in shoulder replacement surgery. Dr. Miller’s research on […]
Robert Merrill
About Robert Merrill, MD, is a fellowship-trained orthopedic spine surgeon who specializes in all aspects of non-surgical and surgical care of the adult and pediatric spine. Dr. Merrill treats conditions of the cervical, thoracic, and lumbar spine including traumatic spinal injuries, spinal deformity, tumors, infection, and degenerative spine conditions. Dr. Merrill always takes an initial […]
David L. Kramer
About Dr. David Kramer specializes in the surgical treatment of spinal disorders including revision spinal surgery, correction of adolescent and adult spinal deformity, and minimally invasive management of spinal stenosis, disc herniations, spondylolisthesis, spinal trauma and tumors. Despite being recognized for his successful surgical outcome, he has built his reputation on his conservative approach. Dr. Kramer earned his medical […]
Tamar Kessel
About Physiatrist Tamar Kessel, MD, specializes in non-operative treatments of musculoskeletal injuries such as PRP (Platelet Rich Plasma), viscosupplementation, and steroidal medications. Dr. Kessel has a special interest in the use of ultrasound to target medications to the precise location of tissue damage. This method of therapeutic injections shows to be safer and to greatly […]
Brian F. Kavanagh
About Joint replacement specialist Brian Kavanagh, MD, is a staff orthopedic physician at Greenwich Hospital where he has performed more than 8000 surgeries over the past 35 years. Board-certified by the American Board of Orthopaedic Surgery, Dr. Kavanagh graduated Princeton University and attended University of Connecticut School of Medicine. His internship and residency were performed […]
Jeffrey Heftler
About Jeffrey Heftler, MD is an interventional physiatrist who specializes in spinal injections. He also specialized in other non-operative treatments for spinal and musculoskeletal disorders. Interventional physiatry is a branch of physiatry that treats pain using precisely placed anti-inflammatory injections into the spine and pelvis guided by a specially equipped x-ray. At ONS, these procedures are […]
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 […]
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. Dr. Greene graduated from Princeton University and earned his medical degree at the Medical College of Georgia. He practiced his residency in orthopedics at Emory University […]
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 graduated from Dartmouth College with a bachelor’s degree in biophysical chemistry. She received her medical degree from Boston University School of Medicine. Dr. […]