Dr. Koen, He holds a doctor of medicine degree from Ohio State University College of Medicine in Columbus, Ohio. He completed his internship at Duke University Medical Center in Durham, N.C., where he also completed his residency. He is certified by the American Board of Neurological Surgery. Dr. Koen specializes in treating conditions and diseases of the spine, brain, and nerves. + Watch Dr. Koen talk about how neurosurgeons are using the latest advances in brain mapping technology to treat complex brain tumors.
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