Our physicians are highly skilled and widely experienced in the field of sleep disorders medicine. Our entire team of professional staff is committed to providing excellent patient care.  Your health comes first.

Adam Blackman MD, FRCPC, D.ABSM, D.ABPN
Founder and President

Dr. Blackman graduated from the Faculty of Medicine at the University of Toronto and subsequently completed specialty training in psychiatry and a sleep medicine fellowship. Prior to founding MedSleep he was the medical director of the Toronto Western Hospital, Sleep and Alertness Clinic. He was the Vice-President of Medical Imaging and Business Development at Medisys Health Group from 2006-2008 where he was responsible for overseeing the Ontario Medical Imaging Division and developing innovative health care partnerships. Dr. Blackman is an assistant professor of the University of Toronto and teaches both residents and sleep medicine fellows. He has also been actively involved in establishing sleep medicine standards with both the Canadian Sleep Society and the College of Physicians and Surgeons of Ontario.

Kostas Tsambourlianos MBA, PMP
Vice President

Kostas Tsambourlianos joined the MedSleep family in October 2010. Having completed his MBA from the Kellogg School of Management, he is also a registered Project Management Professional (PMP). His rich background in a wide variety of industries such as Shoppers Drug Mart, IBM and Lafarge brings a unique perspective to the business. In addition, he is a professor in the MBA program at the Schulich School of Business, specializing in Strategic Field Studies and International Business. Kostas is responsible for Business Development, Operations, Marketing, Human Resources and Finance.

James MacFarlane Ph.D, D.ABSM
Director of Education, MedSleep

Dr. MacFarlane is an Assistant Professor of Pediatrics and Psychiatry, University of Toronto. He was granted his doctorate from McMaster University Medical Centre for his work in neuropharmacology and began his sleep career at the Toronto Western Hospital in 1989. He also is a Research Associate at the Hospital for Sick Children in Toronto and is a consultant at the Niagara Sleep and Snoring Centre. He currently serves on the Board of the Canadian Sleep Society. Dr. MacFarlane is actively involved in developing innovative sleep educational programs for sleep technologists, medical students and physicians. He also provides public lectures to enhance awareness of issues related to sleep and sleep disorders.

Karen Vegnaduzzo Honours BA, CCRP
Director of Operations, Ontario

A member of the MedSleep family since its founding, she brings over 12 years of operational and clinical research experience in healthcare. Her focus on helping to build an efficient and effective organization has played a key role in MedSleep’s evolution from a single clinic to a national operation. Karen is responsible for providing overall operational management to MedSleep’s Ontario clinics. In her role, Karen leads, manages and executes all operational and clinical research initiatives in Ontario, in addition to managing various strategic projects.

"Excellent service with full explanation provided. One of the best study/examination experiences. Technologist was at his best in all aspects."
– Toronto, October 2011

"The service could not be improved in any way. It is beyond Superior."
– Halifax, March 2011

"The service was excellent and the staff were very compassionate and very professional."
– Toronto Sleep Institute, Dec 2010

"Service was excellent and staff was knowledgeable and courteous."
– Toronto Sleep Institute, Dec 2010

"Very friendly and explained everything"
– MedSleep Calgary, October 2010

"Every Doctor I've met with has been great and so accommodating – couldn't be happier with care here"
– MedSleep Calgary, August 2010

We manage the full spectrum of sleep disorders including:

• Insomnia
• Snoring
• Obstructive Apnea
• Periodic Limb Movement
• Restless Legs Syndrome
• Bruxism (Teeth Grinding)
• Daytime Sleepiness, Fatigue
• Sleep Walking
• Night Terrors, Nightmares
• Narcolepsy
• Idiopathic Hypersomnia
• Jet Lag
• Shift Work Sleep Disorder
• Circadian Rhythm Disorders