About Us

About us

After providing an excellent service to our patients for the last 10 years, Malvern Sleep Clinic is pleased to announce that in addition to Dr. David Ross who is our medical director, we are adding three more sleep specialists to meet our multi-disciplinary patients comprehensive care needs. With our multi-disciplinary team we have now the ability to address any sleep disorder that your patient might have patient care needs.

Dr. David Ross, M.D. FRCP(C)

Medical Director

Dr. Ross, our Medical Director, graduated from the Faculty of Medicine at Queen’s University in Kingston. He completed his fellowship training in Respirology, Critical Care medicine and Sleep Medicine at the University of Toronto. Dr. Ross has over twenty years of experience in treating patients with sleep disorders.


Dr. J.S. Anthony, M.D., FRCP (C)

Respirologist & Sleep Specialist

Dr. Anthony graduated from the faculty of Medicine at the University of Toronto. He completed his fellowship training in Internal Medicine and Respirology at the University of Toronto. He was the director of the Centenary Hospital Sleep Laboratory and has over 30 years of experience in treating patients with sleep disorders.


Dr. A. Chelvanathan, HonBSC, MBChB, ABIM FRCP ( C )

Respirology & Sleep Medicine

Dr. Anushya Chelvanathan received her Medical Degree from University of Bristol, UK and completed her General Internal Medicine residency training at the McMaster University, Hamilton. She finished her postgraduate clinical residency training in Respirology. She went on to further sub-specialize in Sleep Medicine at McMaster University. Her training focus is on sleep disorder breathing. Dr. Chelvanathan is a fellow of the Royal College of Physicians and Surgeons of Canada in Internal Medicine and Respirology. She is also a diplomate of the American Board of Internal Medicine in General Internal Medicine and Respirology.

She has also successfully completed the examination for special competence in sleep medicine.Dr. Chelvanathan has a keen clinical sense and is dedicated to delivering highly competent as well as compassionate care to all her patients. Her special interests include medical education, primary and secondary preventative medicine in respirology, management of patients with sleep disordered breathing, narcolepsy/hypersomnia and nocturnal movement disorders.


Dr. Marc Narayansingh, M.D., FRCP (C)

Expert in neurological diseases

Dr. Narayansingh graduated from the Faculty of Medicine at the University of Manitoba in Winnipeg. He completed his residency training in Neurology at the University of Alberta and his fellowship training in Sleep Medicine at the University of Toronto. Dr. Narayansingh has a special interest in hypersomnias/narcolepsy, restless leg syndrome/ nocturnal limb movements, parasomnias, nocturnal seizures and sleep disorders associated with common neurological diseases.


Dr. Sundeep Singh Bola, B.Sc, M.D. FRCP (C)

Pediatric Sleep Physician/Pediatric Respirologist

Dr. Bola completed his undergraduate medical training at the University of Western Ontario. He completed both his Pediatric medicine residency and Pediatric Respiratory Medicine sub-specialty residency at the University of Toronto, The Hospital for Sick Children. In addition to this, Dr. Bola completed a fellowship in Pediatric Sleep Medicine at The Hospital for Sick Children.

We are very excited to have Dr. Bola join us and bring our Pediatric Sleep Medicine expertise to a whole new level. He will be supported in his efforts by certified Sleep Technologists with extensive pediatric experience. Dr. Bola is accepting referrals for children aged 4 – 18 years beginning April 2015. Children will be booked for an initial consultation followed by an overnight sleep study if required.


Iqbal Singh Dhanju

Technical Director at Etobicoke Brampton Sleep Clinic and Malvern Sleep Clinic

Experienced Technical Director of two very successful sleep clinics in Toronto, Canada with a demonstrated history of working in the field of Sleep Medicine for the last 20 years and also 25 years in the field of computer science with the Ontario Government in Canada. Dr. Iqbal Singh Dhanju has a very unique combination of academic qualifications and skills with Master of Science (MSc) degree in computer science from North Dakota State University (NDSU) USA along with Doctorate Degree (PhD.) in insect physiology (Entomology) Bangalore, India.

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