Ms Jiun Miin (Betty) Lai is a General and Endocrine Consultant Surgeon. Betty is the Head of Acute General Surgical Unit (AGSU) at The Northern Hospital. Betty is an accredited Endoscopist by GESA for Gastroscopy and Colonoscopy. Bettys main interests are Endocrine Surgery such as Thyroid Surgery, Parathyroid Surgery and Parotid Surgery as well as all General Laparoscopic Surgery such as Cholecystectomy, Hernia and Adrenal Surgery. Betty manages simple skin lesions and perianal diseases such as haemorrhoids.

Epworth hospital locations


Epworth Eastern

Consulting locations

Consulting Location

Epworth Eastern

Suite 16 1 Arnold Street
Box hill VIC 3128

Consulting Location

Northpark Private Hospital

Suite 2 Greenhills Road
Bundoora VIC 3083

Consulting Location

Werribee Surgical Group

267 Princess Highway
Werribee VIC 3030

Special interests

  • General Surgery
  • Endocrine surgery (head and neck)
  • Laparoscopic surgery (including hernias)
  • Endoscopist (gastroscopy and colonoscopy)


  • MBBS University of Melbourne 2002
  • FRACS 2012

Professional Associations

  • RACS
  • GESA Accreditation for Endoscopy
Internal medicine covers a wide range of conditions affecting the internal organs of the body - the heart, the lungs, the liver and gastro-intestinal tract, the kidneys and urinary tract, the brain, spinal column, nerves, muscles and joints. Specialists with the Internal Medicine Clinical Institute have expertise in the diagnosis and management of complex, chronic and multisystem disorders.
The Institute focuses on surgical treatment of the abdominal organs, as well as the thyroid gland and hernias.