Mon–Fri: 8:30 AM – 4:30 PM
5 Locations Across the GTA

Dr. Neil Isaac

MD, FRCPC — President & CEO
Cardiac MRI CT Ultrasound Women's Imaging

Dr. Isaac received his M.D. and completed his residency in Diagnostic Radiology at Dalhousie University, Halifax, NS. He has Fellowship training in Cardiovascular Imaging from the University of Pennsylvania. His areas of interest are pediatric and adult cardiovascular imaging, MRI and Women's Imaging. Dr. Isaac has been with York Radiology Consultants since 2009 and oversees Quality Assurance.

Division Head of Cardiac Imaging, North York General Hospital

Dr. Ryan Margau

MD, FRCPC — Chief Radiologist / Medical Director
CT Interventional MRI Ultrasound Women's Imaging

Dr. Margau received his M.D. and completed his residency in Diagnostic Radiology from the University of Toronto, ON. He has Fellowship training in Vascular and Interventional Radiology from the University Health Network and the Mt. Sinai Hospitals in Toronto. His areas of interest are CT, Interventional Radiology and Women's Imaging. Dr. Margau has been with York Radiology Consultants since 2007.

Chief Radiologist/Medical Director & Clinical Director of Interventional Radiology, North York General Hospital

Dr. Susan Armstrong

MD, FRCPC
CT MRI Ultrasound Women's Imaging

Dr. Armstrong received her M.D. and completed her residency in Diagnostic Radiology from the University of Toronto, ON. She has fellowship training in Women's Imaging from the University Health Network, Toronto, ON. Her areas of interest are Women's Imaging and MRI. Dr. Armstrong has been with York Radiology Consultants since 2006.

North York General Hospital

Dr. Petrina Causer

MD, FRCPC — Clinical Director of Mammography
CT MRI Ultrasound Women's Imaging

Dr. Causer received her M.D. and completed her residency in Diagnostic Radiology from the University of Toronto, ON. She has Fellowship training in Body Imaging from Sunnybrook and Women's College, University of Toronto. Her areas of interest are Women's Imaging and MRI. Dr. Causer has been with York Radiology Consultants since 2011.

Clinical Director of Mammography & Division Head of Breast Imaging, North York General Hospital

Dr. Yatin Chadha

MD, FRCPC — Clinical Director of MRI
MSK Interventions Pain Therapy Sports Medicine

Dr. Chadha received his M.D. from the University of British Columbia and completed his radiology residency at Queen's University, Kingston, ON. He has a fellowship in Musculoskeletal Imaging from the University of California, San Diego. His primary interests are in Sports Medicine and Pain Therapy. Dr. Chadha has been with York Radiology Consultants since 2017.

Clinical Director of MRI & Division Head of MSK Imaging, North York General Hospital

Dr. Margaret Chang

MD, FRCPC
CT MRI Neuroradiology Ultrasound

Dr. Chang received her M.D. from the University of Toronto and completed her residency in Diagnostic Radiology at McGill University, Montreal, QC. She has Fellowship training in Neuroradiology from the University of Pennsylvania. Her areas of interest are CT, MRI and Ultrasound. Dr. Chang has been with York Radiology Consultants since 2002.

Division Head of Neuroradiology & MRI Safety Officer, North York General Hospital

Dr. Gilbert Chow

MD, FRCPC
CT MRI Sports Medicine

Dr. Chow received his M.D. from Queen's University, Kingston and completed his residency in Diagnostic Radiology at the University of Toronto, ON. He has Fellowship training in MRI Imaging from the University of Toronto. His areas of interest are Sports Medicine, CT and MRI. Dr. Chow has been with York Radiology Consultants since 2002.

North York General Hospital

Dr. Kelly Cranstoun

MD, FRCPC — Clinical Director of Nuclear Medicine
CT Nuclear Medicine Ultrasound

Dr. Cranstoun received her M.D. at the University of Western Ontario and completed her residency in Diagnostic Radiology. She has Fellowship training in Nuclear Medicine from the University of Toronto and holds dual specialty certification in Diagnostic Radiology and Nuclear Medicine. Dr. Cranstoun has been with York Radiology Consultants since 1997.

Clinical Director of Nuclear Medicine, North York General Hospital

Dr. Hassan Deif

MD, FRCPC
Body Imaging Interventional MRI Nuclear Medicine

Dr. Deif received his M.D. from the University of Alexandria, Egypt and completed his residency in Diagnostic Radiology at the University of Toronto, ON. His areas of interest are Interventional Radiology, Body Imaging, Nuclear Medicine and MRI. Dr. Deif has been with York Radiology Consultants since 1983.

North York General Hospital

Dr. Lawrence Friedman

MD, FRCPC — Department Research Director
CT MRI Musculoskeletal Imaging Sports Medicine Ultrasound

Dr. Friedman received his M.D. from the University of Witwatersrand, South Africa and completed his residency at the University of Saskatchewan. He is well known for his interest and development in the field of Musculoskeletal Imaging. Prior to joining York Radiology in 2007, he was with Hamilton Health Sciences and served as Chief of Diagnostic Imaging at the Guelph General Hospital.

Department Research Director, North York General Hospital

Dr. Brian Ginzburg

MD, FRCPC
CT MRI Ultrasound

Dr. Ginzburg received his M.D. from the University of Witwatersrand, South Africa and completed his residency at the University of Toronto, ON. His areas of interest are Ultrasound and MRI. Dr. Ginzburg has been with York Radiology Consultants since 2002.

North York General Hospital

Dr. Ronn Goldberg

MD, FRCPC
Cancer Imaging CT Echocardiography Ultrasound

Dr. Goldberg received his M.D. from the University of Toronto and completed his residency in Diagnostic Radiology at Case Western Reserve University, Cleveland, Ohio. He has Fellowship training in Vascular and Interventional Radiology from the University of Toronto. He holds the position of Adjunct Assistant Professor of Medical Imaging at the University of Toronto and an MBA from the Rotman School of Business. Dr. Goldberg has been with York Radiology Consultants since 2001.

Adjunct Assistant Professor of Medical Imaging, Faculty of Medicine, University of Toronto

Dr. Irving Jacobs

MD, FRCPC
CT Interventional MRI Ultrasound

Dr. Jacobs received his M.D. and completed his residency in Diagnostic Radiology at the University of Toronto, ON. His areas of interest are Interventional Radiology and MRI. He is the Clinical Director for Radiography and Radiation Safety Officer at North York General Hospital. Dr. Jacobs has been with York Radiology Consultants since 2002.

Clinical Director for Radiography & Radiation Safety Officer, North York General Hospital

Dr. Beatriz Junqueira-Duarte

MD, FRCPC
CT MRI Ultrasound Women's Imaging

Dr. Junqueira-Duarte received her M.D. from Estácio de Sá University, Brazil and completed her residency in Diagnostic Radiology from the University of Toronto, ON. She has Fellowship training in Women's Imaging from University Health Network (UHN), University of Toronto. Her areas of interest are Women's Imaging and Body Imaging. Dr. Junqueira-Duarte has been with York Radiology Consultants since 2020.

North York General Hospital

Dr. Enoch Lai

MD, FRCPC
3D Imaging Abdominal MRI CT Ultrasound

Dr. Lai received his M.D. from the University of Alberta and completed his residency in Diagnostic Radiology at the University of Saskatchewan. He has Fellowship training in Abdominal Imaging from the University of Toronto. His areas of interest are Abdominal MRI, CT and 3D Imaging. Dr. Lai has been with York Radiology Consultants since 2002.

Clinical Director for CT Imaging & Deputy Chief, North York General Hospital

Dr. Elizabeth Lamere

MD, FRCPC
CT Ultrasound Women's Imaging

Dr. Lamere received her M.D. from McMaster University and completed her residency at the University of Toronto, ON. Her primary interest is in Breast and Women's Imaging. She joined York Radiology Consultants in 2002 and served as Chief Radiologist/Medical Director of the North York General Hospital.

Immediate Past Chief Radiologist/Medical Director, North York General Hospital

Dr. Kelvin Mak

MD, FRCPC
CT MRI Ultrasound

Dr. Mak received his M.D. and completed his residency in Diagnostic Radiology at Queen's University, Kingston, ON. He has Fellowship training in Body Imaging, MRI, CT and Ultrasound at the University of Toronto. His areas of interest are CT, MRI and Ultrasound. Dr. Mak has been with York Radiology Consultants since 2000.

Physician Lead, LDCT Lung Cancer Screening, North York General Hospital

Dr. Joseph Peltz

MD, FRCPC
CT MRI Ultrasound Women's Imaging

Dr. Peltz received his M.D. from Queen's University and completed his residency in Diagnostic Radiology at McGill University, Montreal, QC. He has fellowship training in Abdominal Imaging from Sunnybrook Health Sciences Centre, University of Toronto. His areas of interest include Abdominal MRI, CT and prostate imaging. Dr. Peltz has been with York Radiology Consultants since 2017.

Division Head of Abdominal Imaging, North York General Hospital

Dr. Adam Tunis

MD, FRCPC — Clinical Director of Medical Imaging Informatics
Abdominal Imaging MSK Interventions Musculoskeletal Imaging

Dr. Tunis completed his M.D. at Queen's University, Kingston, ON and did his radiology residency at the University of Ottawa, ON. He has Fellowship training in cross-sectional abdominal imaging at the University of Toronto and St. Michael's Hospital, with particular attention to both clinical and research applications of prostate MRI. Dr. Tunis has been with York Radiology Consultants since 2015.

Clinical Director of Medical Imaging Informatics, North York General Hospital

Our full team includes more than 20 radiologists with sub-specialty expertise across every imaging modality. For information about a specific radiologist or sub-specialty, please contact us.

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