Pain Physician Journal is the official publication of the American Society of Interventional Pain Physicians (ASIPP). The open access journal is published 6 times a year.Pain Physician Journal is a peer-reviewed, multi-disciplinary, open access journal written by and directed to an audience of interventional pain physicians, clinicians and basic scientists with an interest in interventional pain management and pain medicine.Pain Physician Journal presents the latest studies, research, and information vital to those in the emerging specialty of interventional pain management – and critical to the people they serve.