Critical Care North
Our Physicians
Dr. Rob Anderson MD, FRCPC
Anaesthesia & Critical Care Medicine
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Dr. Melanie Brulotte MD, FRCPC
Anaesthesia & Critical Care Medicine
Dr. Matt Cavanagh MD, FRCPC
Critical Care Medicine
Dr. Cavanagh was born and raised in Algoma District prior to graduating medical school at the University of Western Ontario followed by specialty training in Internal Medicine and Critical Care Medicine at the University of Toronto. He returned to the north as an intensivist at Health Sciences North and Assistant Professor at Northern Ontario Medical School in 2011.
Dr. Matt Jefkins MD, FRCPC
Critical Care Medicine
Dr. Jefkins was born and raised in Sudbury. He completed undergraduate studies at Queen’s
University in Life Sciences and at the University of Toronto in Pharmacy. He subsequently
worked as a Pharmacist at Health Sciences North before starting medical school at the Northern
Ontario School of Medicine (NOSM University). He completed Internal Medicine and Critical
Care Medicine training at Queen’s University in Kingston. He joined the HSN ICU group in July of
2023 and currently is the Lead Undergraduate Preceptor for undergraduate medical students in
the ICU and chair of the Pharmacy and Therapeutics Committee.
Dr. Mary Kerr MD, FRCPC
Critical Care Medicine
Dr. Fabio Luison MD, FRCSC
Thoracic Surgery & Critical Care Medicine
Dr. Sarah McIsaac MBBCh, MEd, FRCPC
Anaesthesia & Critical Care Medicine
Dr. Mark Hewitt MD, FRCPC
Emergency & Critical Care Medicine
Dr. Kyle McKechnie MD, FRCPC
Anaesthesia & Critical Care Medicine
Dr. Nav Mehta MD, FRCPC
Critical Care Medicine
Dr. Mehta was born in India, spent his preschool years in West Africa and then immigrated to Canada. He completed an undergraduate degree in Biochemistry prior to medical school graduating in 1990. His core postgraduate training is Internal Medicine, with fellowships in Internal Medicine(Ottawa), Nephrology(Vancouver) and Critical Care Medicine(Pittsburgh). He was attending staff in New Brunswick prior to relocating to Sudbury in 2001, previously ran a full general nephrology practice and currently practices Critical Care Medicine while providing locum relief in Nephrology and Critical Care. He has work-related interests in clinical education, critical care nephrology, transplantation and trauma.
Dr. John Mireau MD, FRCPC
Anaesthesia & Critical Care Medicine
Dr. Bhanu Nalla MBBS, FRCPC
Anaesthesia & Critical Care Medicine
Dr Nalla was born in India and subsequently resided in the UK. Following his graduation from medical school, he underwent specialized training in Internal Medicine before switching to Anesthesia with a Fellowship in Critical Care Medicine at the University of London. In 2010 he completed a one year Fellowship in Cardiac Anesthesia and Transesophageal Echocardiography at St Michael's Hospital, Toronto before joining as Staff in Critical Care & Anesthesia at Health Sciences North. He has been appointed Assistant Professor at Northern Ontario School of Medicine, Hospital Donation Physician for Trillium Gift of Life and is transitioning to become Medical Director for the Advanced Cardiac Life Support program at HSN. Interests include Extracorporeal Life Support (ECLS), Critical Care Ultrasound and Medical Education including simulation-based training.
Dr. Alisha Greer MD, FRCPC
Emergency & Critical Care Medicine
Dr. Jeffrey Shum MD, FRCSC, FACS
General Surgery & Critical Care Medicine
Dr. Shum completed his general surgical, critical care medicine and hepatopancreatobiliary training in London at the University of Western Ontario in 2012. He joined the staff at Health Sciences North in 2012 and is an Assistant Professor at the Northern Ontario School fo Medicine. His interests include ERCP, surgical oncology, trauma and resident education.
Dr. Josee Theriault MD, FRCPC
Critical Care Medicine