Meet our team

Dr Costa Karihaloo

BSc (Med)(Hons), MBBS, FRACS Obesity and General Surgeon.

Dr Costa Karihaloo performs surgery for gastro-intestinal cancer, gallstones, weight loss, hernia and reflux, and upper and lower gastro-intestinal endoscopy.

Areas of specialty: Obesity, Oesophagus, Pancreas, Gall bladder, Stomach, Spleen, Intestine, Rectum, Appendix, Hernia.

Dr Christine O’Neill

MBBS(Hons) FRACS MS Breast, Endocrine, General Surgeon.

Dr Chris O’Neill is a specialist general surgeon with specific expertise in thyroid, parathyroid, adrenal and breast oncology surgery. She also provides general surgical services including the treatment of hernia, and gall bladder disease.

Areas of specialty: Breast, Oesophagus, Thyroid, Adrenal, Gall bladder, Stomach, Intestine, Appendix, Hernia.

Dr Adeeb Majid

MBBS, MS, FRACS, ANZHPBA General and Abdominal Surgeon

Dr Adeeb Majid is a specialist general surgeon providing services in the public and private sectors. He has a special interest in surgery of liver, gall bladder, pancreas, stomach and anti-reflux surgery and melanoma. He also performs hernia surgery (laparoscopic and open), gall bladder surgery and gastroscopy and colonoscopy.

Areas of specialty: Liver, Pancreas, Stomach, Oesophagus, Melanoma, Intestine, Appendix, Hernia, Gall bladder.

Dr David Burnett


Dr David Burnett is a laparoscopic, liver and pancreas surgeon based at John Hunter Hospital. For the last 3 years after becoming a general surgeon he has undergone additional sub-specialist training with some of the best surgeons in Melbourne and Sydney, through the ANZHPA training program. He graduated from this program first in Australasia with the Robert Padbury medal.

Areas of specialty: Liver, Pancreas, Stomach, Oesophagus, Melanoma, Intestine, Appendix, Hernia, Gall bladder, ERCP.

Dr Jodie-Kate Williams


Dr Jodie-Kate Williams is a specialist general surgeon with specific expertise in gall bladder, hernia and reflux, gastroscopy and colonoscopy.

She provides services in both the public and private sectors.

Areas of specialty: Gall bladder, Appendix, Hernia, Large and Small Bowel.


Dr Cathy Harbury is an Advanced Accredited Practicing Dietitian (AdvAPD) with 30 years clinical experience. She has a wealth of bariatric surgery knowledge accumulated over 15 years. She supports compassionate self-care by taking time to understand an individual’s health and well-being goals.

Cathy works to address gaps in nutrition knowledge and guide dietary change using an evidenced based approach. Realistic and practical ideas are always provided. To learn more about her services visit her website:

Nicole West is an Accredited Practicing Dietitian. Nicole has worked in the public hospital clinical setting and privately for ten years. Nicole is very passionate about individual weight therapy to meet each client’s personal goals and lifestyle.

Nicole also has experience in a wide range of clinical nutrition areas including diabetes, gastrointestinal disorders, food allergies and oncology. See more here.