Dr Shadbolt is the Sub Dean for Hornsby Hospital which is part of the Northern Clinical School and has previously held the position of Associate Dean for Student Support. She is a Senior Lecturer in the Discipline of General Practice and holds a conjoint appointment with the Northern Sydney Local Health District.

Dr Shadbolt has worked as a general practitioner since graduation from the University of Sydney Medical Program and currently has a clinical practice at the General Practice Unit at Hornsby Hospital. She has also worked in the area of Medical Education for many years in roles including Senior Medical Educator for the Royal Australian College of General Practitioners and Coordinator of the Central Coast Regional Training program, National Coordinator for the Clinical Examination for the RACGP, RACGP NSW Censor, Director of Clinical Training at Hornsby Hospital and Senior Medical Advisor for General Practice Education and Training Australia. She has a long standing research and teaching interest in the health and well-being of doctors and has published and taught extensively in this area both nationally and at international forums.