Our Staff


The TMC team is a group of family physicians and staff who are dedicated to look after all aspects of medical care for you and your entire family. See below to view our physician profiles and regular schedules.

Dr. Nick Voudouris
Nick’s undergraduate education was at Trinity College, University of Toronto. He completed his MD at the University of Calgary in 1984. Nick interned at North York General Hospital and Sunnybrook Health Sciences Centre. He spent 3 years providing medical care in small communities in Ontario and the Northwest Territories before joining Thornhill Medical Centre in November 1990. Nick has been at our office for over 30 years! He is also a graduate (with distinction) of the EMBA program at the Ivey School of Business, University of Western Ontario, 2003. He is the Past Chairman of the Mackenzie Health Richmond Hill Foundation, helping raise $35 million for the hospital’s redevelopment. He is currently Physician Lead for Community Engagement and Chief of the Surgical Assistants at Mackenzie Health Richmond Hill Hospital.
Specialization: Family Practice

Dr. Roy Blachowitz
Roy received his Medical degree from the University of Cape Town, South Africa in 1985. He then spent 2 cold years working as a Family Physician in Moose Jaw, Saskatchewan. He joined Thornhill Medical Centre in 1991 after completing a family medicine residency at the University of Saskatchewan in Saskatoon. He is on active staff at Mackenzie Health Hospital working in the Long Term Care Department and also does palliative care in the community.
Specialization: Family Practice / Palliative Care / Long-Term Care

Dr. Janet Morse
Janet did her undergraduate degree in Life Sciences and her Medical degree at Queen’s University, finishing in 1991. She completed her residency in Family Medicine at the University of Ottawa. She worked for 2 years in rural Alberta with her husband, Dr. Darren Larsen, then returned to Thornhill in 1995 to join this practice upon her father, Dr. Peter Morse’s, retirement.
Specialization: Family Practice

Dr. Colleen Cheung
Colleen joined us in 2002 as a locum and became a permanent member of our team in 2003. She studied Human Biology  at the University of Toronto and went on to continue medical school there. Colleen completed her Family Medicine Residency at Mount Sinai Hospital in 1999. She also works at the Toronto Metabolic Clinic, where she counsels patients on dietary changes to improve their metabolic health and diabetes.
Specialization: Family Practice

Dr. Robin Rosen
Robin graduated from the University of Toronto School of Medicine in 1994 and completed her Family Practice Residency at the University of Toronto in 1996. She was working as a Family Physician at York University for 12 years. She joined our practice in September 2010.
Specialization: Family Practice

Dr. Garway Wong
Garway did an undergraduate degree at University of Toronto in Immunology. He completed medical school at McMaster University in 2008. Garway started at TMC in 2012 initially to cover for Dr. Larsen’s sabbatical. Garway has a special interest in Aboriginal health. He also works in Brantford serving urban and on-reserve Aboriginals.
Specialization: Family Practice / Aboriginal Health

Dr. Stella Arbitman

Dr. Arbitman attended the University of Toronto School of Medicine and graduated in 1992.  She completed a Family Practice Residency in Toronto at Mount Sinai Hospital in 1994.  Stella speaks Spanish, French and some Hebrew.  She joined our practice in 1997. She enjoys teaching medical students and family practice residents.

Specialization: Family Practice

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LydiaDr. Lydia Cheung 

Dr. Lydia Cheung joined the team at Thornhill Medical Centre in 2015. She completed her undergraduate degree in Health Sciences at McMaster University, graduated from medical school at the University of Western Ontario in 2011 and completed her Family Medicine residency at the University of Toronto. She works part-time here, and her other days are spent providing community palliative services in Markham.
Specialization: Family Practice / Palliative Care

Mich2016Dr. Michel Beausoleil

Dr. Michel Beausoleil completed his Undergraduate and Masters degrees in Cell Biology at the University of Western Ontario. He then completed his Medical degree at the University of Toronto. He did his Family Practice residency training at UHN Toronto Western Hospital. During residency, he did a rotation at Thornhill Medical Centre, and now is joining our practice in September 2016. He also works at Mackenzie Health Hospital in Palliative Care. Welcome aboard, Mich!
Specialization: Family Practice / Palliative Care

Our Nurses
We are very fortunate to have the assistance of a unique group of caring and committed Registered Nurses. They provide skilled telephone triage, advice and support, injections, dressing changes, and respond to many other patient needs.

**Please book an appointment to see our nurses. This includes appointments for injections. Due to volume, walk-ins will be asked to return with an appointment. We apologize for any inconvenience.

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Our Support Staff
Our team of administrative and management staff keep our facility functioning. They are available during regular office hours to book appointments and respond to your inquiries.

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Now Recruiting Medical Specialists 

Well established Comprehensive Primary Care Clinic looking for medical specialists to sublease exam rooms to. Ideal for geriatrician, rheumatologist, neurologist, psychiatrist, GP psychotherapist, sports medicine.

Interested? Please inquire at info@tmcdocs.info, attention to Dr. Stella Arbitman.

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