About John Westafer. John Westafer is an emergency medicine practitioner who practices at Pensacola Emergency Physicians, LLC located at 1000 W Moreno St in Pensacola, FL 32501 (Escambia County). Mr. John Westafer may be affiliated with: Mshmc Cns in Hershey, PA 17033; Mshmc Pediatric Neurology in Hershey, PA 17033.