Keilor Private Endoscopy Gastroenterology Hepatology

Procedures : (03) 8340 6400
  Consultations : (03) 8340 6466

Our Team


Dr Steven Kolt
Dr Steven Kolt M.B.B.S. (Hons) F.R.A.C.P.

Dr Kolt is a consultant gastroenterologist who combines public practice at Western Hospital with a well-established private practice in Keilor.  He completed his specialisation at the Alfred Hospital and in the USA, and since 1993 has been providing comprehensive gastroenterology services to the Western Suburbs.  Dr Kolt provides professional, prompt and caring service that has helped him become a preferred provider to patients in the local area and surrounds.  Whilst Dr Kolt maintains a broad range of interests in all areas of gastroenterology, he has a particular interest in luminal gastroenterology, bowel cancer and polyp screening, Inflammatory Bowel Disease and colonoscopy.  Referring doctors are most welcome to liaise with Dr Kolt at any time.

Dr Simon Zanati
Dr Simon Zanati M.B.B.S., F.R.A.C.P.

Dr Zanati graduated from Monash University with a medical degree in 1993. He trained as a physician at The Alfred where he completed advanced training in gastroenterology before travelling to Toronto, Canada to complete a two year Fellowship in Advanced Therapeutic Endoscopy at the acclaimed Endoscopy Centre of St Michael’s Hospital. Dr Zanati became a Fellow of the Royal Australasian College of Physicians in 2003 and runs a busy private gastroenterology practice as a partner at Keilor Private. At Keilor Private he consults and performs endoscopic procedures including bowel cancer endoscopy whilst also holding appointments as Visiting Gastroenterologist to the Western Hospital and The Alfred, teaching advanced endoscopic techniques. Dr Zanati also performs procedures at The Avenue Hospital where he has admitting rights. Practising as a general gastroenterologist, his primary interest is endoscopy and he has co-authored multiple publications on this topic and been involved with national guidelines and trainee development.

Dr Geeta Srivatsa
Dr Geeta Srivatsa, B Sci.(Hons) M.B.B.S.(Hons) M.R.C.P.(UK) F.R.A.C.P.

Dr Srivatsa graduated with honours from The University of London. She trained in gastroenterology at The Royal Melbourne and Western Hospitals, and completed postgraduate research in hepatobiliary disease. She is a VMO Gastroenterologist at the Western Hospital and has a special interest in hepatology. As a member of the Melbourne Liver Group she has spoken at several hepatitis meetings and works in a senior position in the hospital viral hepatitis and liver clinics. Dr Srivatsa has an active interest in luminal gastroenterology including inflammatory bowel disease and treating symptoms of IBS. She is regularly involved in teaching, and held a previous position as Clinical Sub Dean at the University of Melbourne. Dr Srivatsa treats at Keilor Private three days a week, combining outstanding clinical acumen with strong interpersonal skills to ensure patient care is at the forefront of the practice.


Dr Robert Y. Chen, M.B.B.S.,F.R.A.C.P.,MD

Mr Matthew Croxford, M.B.B.S. F.R.A.C.S.

Matthew is a colorectal and general surgeon working in the western suburbs. He is a member of the Colorectal Surgical Society of Australia and New Zealand (CSSANZ) and General Surgeons Australia (GSA).

Matthew has particular interests in managing colorectal cancer, inflammatory bowel disease, fistulae, haemorrhoids and fissures. He has specific training in laparoscopic (Keyhole) abdominal surgery. He also provides endoscopy and colonoscopy services

He has appointments at Western Private Hospital, Western Health (Public Network), Hobson Healthcare, Western Day Surgery and St Vincent’s Private Hospital.

Matthew consults in Keilor fortnightly on a Wednesday. He also consults from his rooms in Footscray.

Dr Jonathan TAN M.B.B.S, B.Bmed.Sci, F.R.A.C.P

Dr Tan graduated from the University of Melbourne and trained as a physician at the Austin hospital, Launceston General and Western Hospital. Jonathan then pursued his passion in Therapeutic Endoscopy at Alfred Hospital Melbourne for two years before embarking on a one-year overseas therapeutic endoscopy fellowship in a renowned liver transplant centre in Vancouver Canada.

Jonathan currently holds a public appointment at the Northern Hospital as one of the senior visiting medical staff, playing a key role in providing an Endoscopic ultrasound service for the hospital. He is actively involved in research where he has presented his work at various local and international conferences. Jonathan maintains a broad range of interest in all aspects of gastroenterology with special interests in endoscopy, pancreas-biliary related diseases and colorectal cancer screening.

At Keilor Private, he consults and performs endoscopy weekly. Providing holistic care, with good communication to various health professions is a core value that Jonathan holds. Urgent patients can always be accommodated as a priority. He would be happy to discuss any cases with the medical practitioner.

Dr Dileep Mangira MBBS, FRACP

Dr Mangira is a consultant gastroenterologist with special interest in interventional endoscopy.  He completed his Physician and Specialised Gastroenterological training at the Flinders Medical Centre in Adelaide and undertook 3 years of advanced fellowship in interventional endoscopy at The Alfred Hospital and Western Health in Melbourne.  He underwent special training at the Portugese Institute of Oncology learning endoscopic resection (Endoscopic Submucosal Dissection) of early gastric, oesophageal tumours and colonic lesions, and was admitted into the Royal College of Physicians in 2017.  Dr Mangira is currently completing a PhD at the University of Melbourne in collaboration with Western Health working on endoscopic advancements towards safe polyp resection.

As well as Keilor Private, Dr Mangira also has hospital appointments at Western Health Footscray, Epworth Richmond, Werribee Mercy and St Vincent’s Hospital Werribee.  His specialist areas are diagnostic and therapeutic gastroscopy and colonoscopy, endoscopic mucosal resection (EMR) of the oesophagus, stomach, duodenum and colon, endoscopic ultrasound (EUS), ERCP, luminal stenting, endoscopic submucosal dissection (ESD) and balloon assisted Enteroscopy.

Dr Mangira holds processional membership with FRACP, ASGE and ESGE.


Dr Jan Anderson

Dr Matthew Bowman

Dr Isaac Cheung

Dr Shanon Jarvis

Dr Damien Strangio

Dr Janette Wright

Dr Robyn Maina

Dr Tas Zafiropoulos

Dr Ashley Hague

Dr Arthur Cheung

Dr Elliot Schulberg

Dr Tim Fryer

Dr Julie Chan



  • Chief Executive Officer – Cheryl Stewart-Richardson
  • Clinical Services Manager – Chris Vanderstock
  • Office Manager – Ann Maree Goring