Articles | FAQs | Contact Us


Dr. Mark Hon Wah Ignatius

Senior Consultant ENT Surgeon


  • Sleep Medicine
  • Sleep Surgery

Medical Conditions Treated:

  • Snoring and ENT related sleep disorders
  • Obstructive sleep apnoea
  • Nasal obstruction and thyroid lumps


English, Mandarin


MBBS (Singapore), MRCS (Edinburgh), FRCS (Glasgow), MMed (Otolaryngology)(Singapore), Certified Sleep Specialist (American Board of Sleep Medicine)

Professional Profile:

Dr Mark is a Senior Consultant Ear Nose Throat Surgeon, with special interests that include the treatments of Snoring, Obstructive Sleep Apnoea, Sleep Disorders, Nasal obstruction and Thyroid lumps.

He passed the American Board examinations in Sleep Medicine in 2006, and was certified an International Sleep Specialist by the American Board of Sleep Medicine, making him one of a few ENT Specialists worldwide and the only ENT Surgeon in Singapore with this prestigious qualification.

Formerly from the Singapore General Hospital, Dr Mark was in charge of running the Sleep Clinic in the Department of Otolaryngology to streamline the management of patients with Obstructive Sleep Apnoea. In the department, he taught undergraduate and postgraduate students on the clinical aspects of Sleep Surgery. He was also on staff at the multidisciplinary Sleep Disorders Unit in SGH to treat patients with sleep disorders and to provide surgical expertise to patients who required surgery for the treatment of Obstructive Sleep Apnoea and Snoring.