TriState Neurological Surgeons - Erie, Pennsylvania. At TriState Neurological Surgeons, our experienced team of physicians performs minimally invasive, outcome-focused procedures for a vast array of neurosurgical needs. Brian E. Dalton, MD, Steven A. Gilman, MD, Daniel V. Loesch, MD, Damiel J. Muccio, Charles E. Romero, MD. Access to unmatched neurosurgical specialty care is just a phone call ....