Roger Widmann, MD, is the chief of pediatric orthopedic surgery service at Hospital for Special Surgery, a position he has held since 2004. He is also the director of pediatric orthopedic trauma at New York Hospital and a member of…
Spine Leaders
Paul Kraemer, MD, is a partner at Indiana Spine Group and practices at Community Hospital, Riverview Hospital and Indiana University Hospitals. He serves as the spine surgery fellowship director at Indiana University Hospitals and spends time actively engaged in research…
Daniel K. Park, MD, is a board-certified orthopedic spine surgeon at William Beaumont Hospital in Royal Oak, Mich. He serves as medical director of the Orthopedic Spine Research Lab at William Beaumont Hospital and director of the orthopedic minimally invasive…
John Ratliff, MD, is a neurosurgeon with an interest in complex spinal surgery. Dr. Ratliff is an associate professor of neurosurgery at the Stanford (Calif.) University School of Medicine. He also serves as vice chair of operations and development at…
David P. Roye, Jr., MD, is an orthopedic spine surgeon practicing with Columbia Orthopaedics, which is a part of New York-Presbyterian Hospital/Columbia University Medical Center in New York. He is the St. Giles Professor of Pediatric Orthopaedic Surgery at Columbia…
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Craig Callewart, MD, is an orthopedic spine surgeon at Methodist Hospital for Surgery in Addison, Texas. He is co-founder of Baylor University's spine treatment center in Dallas, and he continues to provide care there. He is a member of the…
Eeric Truumees, MD, is a spine surgeon with Seton Spine and Scoliosis Center in Austin, Texas. He is the director of the administrative and development council at the North American Spine Society. He is also a member of the American…
Patrick F. O'Leary, MD, is the former chief of the spine surgery at Hospital for Special Surgery in New York and currently serves as an associate attending spine surgeon. He is a fellow of the American Academy of Orthopaedic Surgeons…
Pierce Nunley, MD, is a fellowship-trained spine surgeon with board certification from the American Board of Orthopaedic Surgeons and American Board of Spine Surgery. He practices at Spine Institute of Louisiana and serves as an assistant professor in the department…
William Mitchell, MD is an attending neurosurgeon at JFK Medical Center in Edison, N.J., and serves as section development chair on the board of directors of the North American Spine Society. He has previously served as the program chair for…