Surgeons
Christine Keng, MD, MSc, FRCSC
Sha Ullah, MD, MSc, FRCSC, FACS
Christine Keng, MD, MSc, FRCSC
Dr. Christine Keng is a colorectal and general surgeon, who joined Mackenzie Health in 2018. She completed her medical degree as well as her General Surgery residency training at McMaster University.
She then went on to complete a fellowship in Colorectal Surgery at the University of Toronto, and concurrently obtained a Masters' Degree i
Dr. Christine Keng is a colorectal and general surgeon, who joined Mackenzie Health in 2018. She completed her medical degree as well as her General Surgery residency training at McMaster University.
She then went on to complete a fellowship in Colorectal Surgery at the University of Toronto, and concurrently obtained a Masters' Degree in Clinical Epidemiology at U of T's Institute of Health Policy, Management and Evaluation. She holds Royal College certification in both General Surgery and Colorectal Surgery.
Sarah Ortega, MD, FRCSC
Sha Ullah, MD, MSc, FRCSC, FACS
Christine Keng, MD, MSc, FRCSC
Dr. Sarah Ortega completed her General Surgery residency in Dalhousie University. She then went on to complete a fellowship in Trauma and Acute Care at Sunnybrook Hospital.
After practicing in Scarborough Health Network, she joined the Division of General Surgery at Mackenzie Health. Here, her clinical practice focuses on breast surgica
Dr. Sarah Ortega completed her General Surgery residency in Dalhousie University. She then went on to complete a fellowship in Trauma and Acute Care at Sunnybrook Hospital.
After practicing in Scarborough Health Network, she joined the Division of General Surgery at Mackenzie Health. Here, her clinical practice focuses on breast surgical oncology, benign breast disease and general surgery. She has helped launch the seed localization program here at Mackenzie Health.
Sha Ullah, MD, MSc, FRCSC, FACS
Sha Ullah, MD, MSc, FRCSC, FACS
Sha Ullah, MD, MSc, FRCSC, FACS
Dr. Sha Ullah joined Mackenzie Health immediately after completing his General Surgery residency at the University of Toronto in 2018. He obtained his MD and MSc in Clinical Anatomy at the Schulich School of Medicine, Western University.
His surgical interests include minimally invasive surgery involving the upper and lower GI tract, as
Dr. Sha Ullah joined Mackenzie Health immediately after completing his General Surgery residency at the University of Toronto in 2018. He obtained his MD and MSc in Clinical Anatomy at the Schulich School of Medicine, Western University.
His surgical interests include minimally invasive surgery involving the upper and lower GI tract, as well as open and laparoscopic abdominal wall/inguinal hernias.
He is an Assistant Professor of Surgery in the Department of Surgery at the University of Toronto and has extensive experience in surgical education.