Connect Now John Winn, Jr, CRNA Nurse Anesthesia Biography Contact Info: Office:  828-894-3111 Facility/Office: St. Luke's Hospital 101 Hospital Drive Columbus, NC 28722 Certification: Certified Registered Nurse Anesthetist Biography: John is a Certified Registered Nurse Anesthetist specialist in North Carolina. He graduated in 2014, having over 7 years of diverse experience, especially in Certified Registered Nurse Anesthetist.