Spinal Instrumentation Expert Witnesses

Simi Valley, California

Neurological Surgery, Spine Surgery & Spine Care - neurosurgeon, traumatic brain injury (TBI), spine surgery, neurosurgery, surgical complications, standards of care, hospital peer review, product liability, cranial surgery, deep brain stimulation, skull base surgery, trauma neurosurgery, hospital quality, brain tumor, spinal instrumentation, functional neurosurgery, AVM, pain neuro

Dr. Amandip S. Gill is a board-certified neurosurgeon with over 15 years of clinical and leadership experience, specializing in complex cranial and spine surgery, brain and spinal trauma, and surgical complications. Dr. Gill has served as Chief of Staff and Director of Neurosurgery at Adventist Health Simi Valley, where he led multidisciplinary teams, peer review committees, and major quality improvement initiatives. He is recognized for both his technical skill in the operating room and his commitment to patient-centered care. Dr. Gill earned his undergraduate degree with Highest Honors in Neuroscience from UCLA and was inducted into Phi Beta Kappa. He completed his medical degree at UC Irvine, where he was inducted into the Alpha Omega Alpha (AΩA) Honor Society and received multiple awards for both research and clinical excellence. He completed his neurosurgery residency at UC Irvine, serving as Chief Resident and earning distinctions for clinical teaching and humanism. Dr. Gill ...

Pompano Beach, Florida

Neurological Surgery, Spine Surgery & Spine Care - Laminectomy, Laminoplasty, Neurosurgery, Artificial Disc Replacement, Fusion, Total Brain Injury, Spinal Instrumentation, BMP, Infuse, Minimally Invasive Spine Surgery, Brain Tumor

Dr. Oppenheimer is an actively-practicing board-certified neurosurgeon with 27 years of experience. He founded and presently practices at Neurosurgery Medical Associates in Coral Springs, Florida. Dr. Oppenheimer is also on the faculty at the University of Central Florida College of Medicine, and holds medical licenses in several states. Dr. Oppenheimer received his medical degree from Georgetown University School of Medicine, where he also obtained an MS with distinction in Physiology and Biophysics. He earned a Bachelor of Arts in Neurobiology and Behavior cum laude, from Cornell University. Dr. Oppenheimer completed his residency training at the University of Southern California-Los Angeles County Hospital. He has published numerous journal articles and textbook chapters in the field of neurosurgery. He is also multilingual, and is fluent in English, German, and Spanish. Dr. Oppenheimer is a seasoned expert witness with significant testifying experience. He has provided exp...

Lakeland, Florida

Neurological Surgery - Neurosurgical spine , Board-certified neurosurgeon, Spine surgery , Standard of care spine, Causation analysis spine, Complex spinal deformity, Minimally invasive spine, Spinal instrumentation, SI joint fusion , Spine litigation , Biomechanical spine device expert, Spine surgical decision-making, Spine instability & trauma

Donald C. Sachs, MD is a board-certified neurosurgeon and spine surgery expert with nearly 30 years of clinical experience and involvement in the care of over 250,000 neurosurgical patients. He is fellowship trained in complex spinal deformity and reconstruction and is double boarded, holding certification through the American Board of Neurological Surgery and the National Board of Physicians and Surgeons. Dr. Sachs completed his medical education, internship, residency in neurological surgery, and fellowship training at the University of South Florida College of Medicine. His advanced training includes complex spinal deformity, spinal reconstruction, minimally invasive spine surgery, spinal biomechanics, sacroiliac joint pathology, vertebral augmentation, and spinal instrumentation. He currently serves as the founder and practicing neurosurgeon at the Center for Spinal Stenosis and Neurologic Care, where he has been in continuous clinical practice since 2010. Earlier in his caree...

Columbia, Missouri

Neurological Surgery - Neurosurgery, Neurological Surgery, Spinal Neurosurgery, Spinal Instrumentation, Minimally Invasive Spine Surgery, Deep Brain Stimulation (DBS), Parkinson Disease, Affective Disorders, Traumatic Brain Injury, Nerve Injuries, Functional Neurosurgery, Pain Procedures, Trigeminal Neuralgia, Vascular Neurosurgery, Sports Medicine

Thorkild Vad Norregaard, M.D. Professor of Neurosurgery | Board-Certified Neurosurgeon Dr. Thorkild Vad Norregaard is a board-certified neurosurgeon and researcher with over 40 years of clinical experience in complex surgical interventions and medical innovation. Currently, he serves as a Professor in the Department of Neurosurgery at the University of Missouri School of Medicine, where he also previously held the role of Interim Chief. Dr. Norregaard is a Diplomate of the American Board of Neurological Surgeons, a credential he has maintained since 1992. Clinical Expertise and Case Portfolio Dr. Norregaard has maintained a high-volume academic practice, performing approximately 450 surgical cases per year, half of which are complex tertiary referrals. spinal pain through minimally invasive surgical procedures, including spinal instrumentation. Recently Dr. Norregaard has scaled back his clinical practice and added additional academic activities including teaching medical student...

Lawrenceville, New Jersey

Spine Surgery & Spine Care, Orthopedic Surgery - Lumbar Spine Surgery, Cervical Spine Surgery, Spinal Cord Stimulation, Spinal Trauma, Spinal Stenosis, Sacroiliac Joint Fusion, Failed Back Surgery, Spinal Instrumentation, Workers Compensation

I am a board certified, fellowship trained orthopaedic spinal surgeon in practice since 1990. I am familiar with all aspects of spinal surgery including the cervical, thoracic, and lumbar spine from a variety of approaches, both with and without instrumentation. I have been performing sacroiliac fusions since 1990. I have been implanting spinal cord stimulators since 1991. My practice predominantly involves Workers Compensation patients and patients injured as the result of motor vehicle accidents. I regularly perform Independent Medical Evaluations and I have testified numerous times as an expert witness.

HARTSDALE, New York

Orthopedic Surgery, Artificial Intelligence - Adult spinal deformity, Degenerative, Thoracolumbar, Cervical, Biomechanics, Spine surgery, Standards of care, Surgical indications, Postoperative complications, Failed back surgery, Spinal instrumentation, Medical record review, Expert medical opinion, Pseudarthrosis, Complex spine cases, Evidence-based medicine, Trauma, Fracture, AI

I am an orthopedic spine specialist with extensive experience in adult spinal deformity, degenerative spine disease, and spinal biomechanics. I completed my medical training and orthopedic surgery residency at Hanyang University Hospital in Korea, followed by advanced spine fellowship training and research fellowships in the United States, including Twin Cities Spine Center, Washington University in St. Louis, the University of Virginia, and the Hospital for Special Surgery (HSS) in New York. My professional background includes academic and clinical appointments in both Korea and the United States, as well as years of experience in spine research, education, and complex case management. I have served as a faculty member and research director in an academic spine center and have been actively involved in peer-reviewed publications, clinical research, and medical education. My areas of expertise include adult spinal deformity, thoracolumbar and cervical spine disorders, spinal biome...

Richmond, Virginia

Spine Surgery & Spine Care, Orthopedic Surgery - Spinal Trauma, Spinal Tumors, Scoliosis Surgery, Spinal Cord Injury, Disc Disease, Spinal Fusions, Spinal Instrumentation, Kyphoplasty, Minimally Invasive Spine

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