From Common To Complex Spine Disorders, Our Doctors Will Provide Expert Care.

Our multidisciplinary team includes neurosurgical and orthopedic surgeons, neurologists, pain management specialists, radiologists, physical and occupational therapists, highly advanced in surgical and non-surgical  treatment options. Together, they work to create a customized care plan for each unique spine problem.

Start the Path To Recovery


James McKenzie, MD

Orthopedic Surgery

Redeemer Health

Dr. James McKenzie is an Orthopaedic Spine Surgeon who completed his Medical School and Orthopaedic Surgery Residency at Thomas Jefferson University Hospital.  He recently completed a Spine Surgery Fellowship at Emory University this past August.  He is assisting in the establishment of a Comprehensive Spine Center at Redeemer Hospital in concert with Global Neurosciences Institute.


Efkan Colpan, MD, FAANS


Global Neurosciences Institute

Dr. Efkan Colpan is a board-certified neurosurgeon and trained fellow in Stereotactic and Functional Neurosurgery. He specializes in general neurosurgery, spine surgery, and all spectrums of functional neurosurgery subspecialty including deep brain stimulation, epilepsy surgery, radiosurgery and neurosurgical pain treatments.


Tyler Sullivan, PA-C

Physician Assistant

Tyler Sullivan, PA-C is a board-certified physician assistant specializing in neurosurgery/orthopedic spine surgery.

She received her Masters of Science degree in Physician Assistant Studies from Bryant University and Bachelors of Science degree from Villanova University.


Atom Sarkar, MD, PhD, FAANS


Global Neurosciences Institute

Dr. Atom Sarkar is board-certified by the American Board of Neurological Surgery. Dr Sarkar is well published in the field of functional neurosurgery and lectures globally. He is a world leader in olfactory and gustatory function as well being co-director of the country’s only speech tremor center. He specializes in functional neurosurgery and spine surgery, subspecializing in movement disorders and seizure surgery. His clinical interests include functional neurosurgery (deep brain stimulation and epilepsy surgeries). 


Scott Strenger, MD, FACS, FAANS, CPE


Global Neurosciences Institute

Dr. Strenger provides general brain and spine neurosurgical services. He specializes in microsurgical and minimally invasive techniques for cerebral and spinal disorders with an emphasis on spinal surgery. Dr. Strenger is certified by the American Board of Neurological Surgery and has been awarded Fellowship status in the American College of Surgeons and American Association of Neurological Surgeons. Dr. Strenger is currently Assistant Professor, Neurosurgery, at the Drexel University College of Medicine.

X-Ray Results

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