Dr. Michael P. Cassidy

David Perim is an Orthopedics provider in Bethesda, Maryland. Dr. Perim is rated as an Advanced provider by MediFind in the treatment of Herniated Disk. His top areas of expertise are Invertebral Disc Disease, Spinal Stenosis, Herniated Disk, Vertebroplasty, and Bone Graft. Dr. Perim is currently accepting new patients.

Dr. Joseph O’Brien is a specialist in minimally invasive spine surgery. He spent 9 years at GWU as an associate professor of Orthopaedic Surgery and Neurological Surgery. Additionally, he was formerly the Medical Director of Minimally Invasive Spine Surgery at The GW Hospital. He is a fellow in the Academy of Orthopaedic Surgery. He completed his spine surgical training at the Johns Hopkins University Medical Center. Dr. O’Brien actively pursues research in ways to improve spine surgery and techniques to salvage failed spine surgery. He has been published in a variety of medical journals including Spine, the Journal of Neurosurgery Spine, Neurosurgery, Journal of the American Academy of Orthopaedic Surgery, and Current Orthopaedic Practice. His research has been presented around the globe with between 10-20 research presentations on a national level per year. He offers expertise in minimally invasive surgery and revision of failed spine surgery. In particular, he has an interest in failed cervical spine surgery. Dr. O'brien is rated as a Distinguished provider by MediFind in the treatment of Herniated Disk. His top areas of expertise are Spondylolisthesis, Scoliosis, Spinal Stenosis, Microdiscectomy, and Herniated Disc Surgery.

Steven Hughes is an Orthopedics provider in Mc Lean, Virginia. Dr. Hughes is rated as a Distinguished provider by MediFind in the treatment of Herniated Disk. His top areas of expertise are Spinal Stenosis, Foot Drop, Herniated Disk, Laminectomy, and Microdiscectomy. Dr. Hughes is currently accepting new patients.