Dr. John Presper

Dr. Slotkin is board certified in neurosurgery by the American Board of Neurological Surgery. His clinical interests include care for back and neck pain, as well as sports-related spine injuries, and he has particular interests in consumerism and the digital transformation of healthcare. His research interests include post spinal cord injury regeneration. Dr. Slotkin has expertise in spine outcomes, caring for degenerative and congenital spine conditions, spinal tumors and spine/spinal cord injury. He earned his medical degree from the University of Maryland, and completed his residency at Harvard University, Brigham and Women's Hospital. He completed his fellowship in spine surgery at New England Baptist Hospital. Dr. Slotkin is director of Spinal Surgery for Geisinger and also serves as associate chief medical informatics officer. Dr. Slotkin is highly rated in 5 conditions, according to our data. His top areas of expertise are Spondylolisthesis, Delirium, Invertebral Disc Disease, Laminectomy, and Spinal Fusion.

Christoph Griessenauer is a Neurosurgery provider in Wilkes Barre, Pennsylvania. Dr. Griessenauer is highly rated in 18 conditions, according to our data. His top areas of expertise are Brain Aneurysm, Stroke, Subarachnoid Hemorrhage, Thrombectomy, and Stent Placement.

Brad Zacharia is a Neurosurgery provider in Hershey, Pennsylvania. Dr. Zacharia is highly rated in 42 conditions, according to our data. His top areas of expertise are Astrocytoma, Glioblastoma, Brain Tumor, Balloon Sinuplasty, and Awake Craniotomy.