Besides his Fellowship areas, Guillermo has interest and expertise in general ENT conditions, ear pathology, hearing loss disorders, minimally invasive nose and paranasal sinus surgery and upper airway surgery for snoring treatment. Guillermo also has interest in teaching and research. He participates in pre and post-graduate academic teaching sessions at the public hospitals where he holds appointment with.

Epworth hospital locations


Epworth Richmond

Consulting locations

Consulting Location

Melbourne ENT Group

Suite G2 173 Lennox Street
Richmond VIC 3121

Consulting Location

Southeast ENT

509 Princes Hwy
Narre Warren VIC 3805

Special interests

  • General Adult and Paediatric Ear, Nose and Throat (ENT)
  • Ear Diseases and Hearing Loss
  • Ear Surgery (Microscope and Endoscopically Assisted)
  • Hearing Implants
  • Functional and Endoscopic Nasal/Paranasal Sinus Surgery


  • B. Med University of Costa Rica 2000
  • ORL (Hons) University of Costa Rica 2006
  • FRACS 2011
  • Fellowship Paediatric Otolaryngology. Royal Children's Hospital Melbourne 2009
  • Fellowship Otology / General ENT Monash Medical Centre Melbourne 2012

Professional Associations

  • Australian Society of Otolaryngology Head and Neck Surgery (ASOHNS)
  • The Australian New Zealand Society of Paediatric Otorhinolaryngology (ANZSPO)
The Institute groups together surgical sub-specialties of dental, dermatology, opthalmology, oral and maxillofacial, otolaryngology (ear, nose, throat) and plastic surgery.