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Dr. Devon Richardson, MD, FRCS(C)

Dr. Richardson completed her medical degree and residency in General Surgery at Dalhousie University in Halifax, Nova Scotia. Following this she completed residency General Surgery and a fellowship in colorectal surgery at the University of Toronto. As a colorectal surgeon, Dr. Richardson has advanced training in the diagnosis and management of diseases involving the colon, rectum and anus. She has published research papers and book chapters relating to the practice of colorectal surgery, colorectal cancer and general oncology. Dr. Richardson performs diagnostic and therapeutic endoscopy and minor anorectal surgery. 

Dr. Devon Richardson - Colorectal Surgery
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Dr. Ahmed Almamar, MD, FRCS(C)

Dr. Almamar completed his medical degree at the University of Baghdad and trained in General Surgery at the University of Alberta. In addition, he completed a Masters in Experimental Surgery at the University of Alberta and a fellowship in Minimally Invasive Surgery at the University of Western Ontario. He has research publications in many medical journals. Dr. Almamar is a member of the Ontario Association of General Surgeon, Canadian Association of General Surgeons and Society of American Gastrointestinal and Endoscopic Surgeons.

Dr. Ahmed Almmar - General &
Minimally Invasive Surgery
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Dr. Robert Fingerote, MD, MSc, FRCP(C)

Dr. Fingerote is a graduate of the University of Manitoba in Winnipeg. After working in emergency room medicine and primary health care, he entered training in internal medicine and later gastroenterology. He is a fellow of the Royal College of Physicians of Canada with certification in internal medicine and gastroenterology. He is also board-certified by the American Board of internal medicine in internal medicine and gastroenterology. He has completed a Masters degree in experimental medicine and did further research in hepatology. He has multiple peer-reviewed publications in the fields of gastroenterology, hepatology and experimental medicine. He is a member of the Canadian Medical Association, Ontario Association of Gastroenterologists and the American Gastroenterological Association.

Dr. Robert Fingerote - Gastroenterology
& Hepatology
Dr. Ashwin Maharaj- General Surgery
& Clinical lead in THD

​Dr. Ash Maharaj, BSc, MB, BCh, FACS 

Outpatient Gastroenterology/Anal Rectal Disease Management,   Minimally Invasive Hemorrhoid TreatmentFellow of the American College of Surgeons /Member Canadian Association of General SurgeonsCLINICAL LEAD - Instructor  in Minimal Hemorrhoid Surgery-.

 Dr.  Maharaj obtained his undergraduate degree in Biology/Physiology from the University of Western Ontario. He completed his medical degree at the Royal College of Surgeons in Ireland, followed by a  General Surgery residency associated with Yale University in Connecticut, USA.  He worked as an acute care/minimal invasive surgeon at Ross Memorial Hospital in Lindsay, Ontario.

Currently, Dr. Maharaj’s is devoted to care of patients, requiring outpatient  gastrointestinal medicine as well as minimally invasive surgery for symptomatic haemorrhoidal disease, and abdominal wall hernia surgery in Toronto these last 20 years.

He shares his extensive research and clinical experience, in gastrointestinal disease and surgical skill by teaching resident physicians, nurses and medical students.

Dr. Maharaj was the first Canadian doctor to introduce Transanal Hemorrhoidal Dearterialization (THD), an innovative, no cutting approach to treat hemorrhoids.  First developed by colorectal experts from England and Italy, THD is now performed in Canada by Dr. Maharaj on over 120 patients with results mirroring published series.  Emphasizing high quality  evidence- based care,  Dr. Maharaj achieves favorable outcomes with low procedural complication rates. 


Dr. Luke Bui, MD, FRCS(C)​

Dr. Bui is the Medical Director at Thornhill Endoscopy. He completed his medical degree at the University of Toronto in 2001, and residency in General Surgery at McMaster University, Hamilton in 2006. As the current Deputy Chief of Staff, and Medical Director of Quality at Mackenzie Health, Dr. Bui provides leadership in quality, and patient safety. He is the chair Mackenzie Health’s Multidisciplinary Cancer Conference, where complex cancer cases are reviewed and treatment recommendations are made. He is also the Past Interim Chief of Staff, and past President of the Professional Staff. During his tenure as Interim Chief of Staff, Dr. Bui developed & implemented a robust physician credentialing process, led a departmental external review, and participated in Mackenzie Health’s accreditation where it achieved an exemplary standing. As a Minimally Invasive Surgeon and Division Chief of General Surgery, Dr. Bui has interests in stomach & colorectal cancer, utilizing minimally invasive surgical techniques. He has published research papers in Canadian Family Physician, HPB Surgery, and The Journal of Surgical Oncology. As Assistant Clinical Professor in the Faculty of Health Sciences at McMaster University, Dr. Bui is actively involved in training future surgeons. He received McMaster University’s Division of General Surgery community surgeon of the year award in 2019.

Dr. Luke Bui - Medical Director
General & Minimally Invasive Surgery

Dr. Warren Bean, MD, FRCP(C)

Having graduated from medical school in the mid-80s in South Africa, Dr. Bean brings almost 35 years of experience to TEC. After immigrating to Canada, he initially practised family medicine.


Dr Bean went on to complete his anaesthesia fellowship training in Calgary, where he spent many years enjoying the Rockies. He moved with his family to Ontario in 2008. With a passion for ambulatory anaesthesia, he joined our team at the clinic’s inception.

Dr. Warren Bean- Anesthesiology
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