Dr Ong Jianming Calvin
General Surgeon
Specialty
General Surgery
Languages
English, Hokkien, Mandarin
Gender
Male
Insurance Panel
Great Eastern, Prudential^, HSBC Life
Please check with your insurance provider for more information, and for their most up-to-date list of panel doctors.
^Specialists may qualify to be on the Extended Panel (EP). You may enjoy selected panel benefits depending on your policy and riders.
Experience
Dr Calvin Ong is a general surgeon at Parkway East Hospital, Singapore.
He subspecialises in colorectal and general surgery, while his interests are in minimally invasive cancer surgery, inflammatory bowel disease and pelvic floor disorders.
He is also experienced in procedures including laparoscopic and robotic colorectal operations for cancer and benign disease, laparoscopic gall bladder and appendix operations, gastroscopy, colonoscopy, laparoscopic hernia repair, rectal prolapse surgery, and surgery for fistulas and piles.
Prior to joining private practice, he worked at Changi General Hospital.
Dr Ong graduated from the National University of Singapore and completed his master’s degree there. He then completed his advanced specialist training and became a fellow of the Royal College of Surgeons of Edinburgh, UK. He spent a year at St Mark’s Hospital, UK, as part of his fellowship training, where he specialised in inflammatory bowel disease and pelvic floor disorders.
Besides his clinical work, he is a clinical lecturer at Yong Loo Lin School of Medicine and an adjunct associate professor at Duke-NUS Medical School.
Dr Ong is a member of the Singapore Colorectal Society and was on the executive committee.
Associated treatments
- Hernia repair (laparoscopic)
- Cholecystomy (Open/Laparoscopic)
- Colonoscopy
- Appendicectomy (open / laparoscopic)
Awards and honours
- 2022 - 2024
Singapore Health Quality Award (Gold)
Research & publications
Tu, I. W.-H., Sivanath, T. P., Yusof, S. B., & Ong, J. C. (2024). Use of Inj. botox to the abdominal wall in large incisional hernia repair: a local experience in a tertiary hospital in Singapore. Asian Journal of Case Reports in Surgery, 7(1), 198–206.
Calvin , O. J., Huimin , A. S., Wijaya , R., & Yusof , S. B. (2024). A Novel Approach to a Rare Case of Fournier’s Gangrene Involving the Space of Retzius. Asian Journal of Case Reports in Surgery, 7(1), 30–35.
See, A. H., Ong, J. C., Yusof, S., & Wijaya, R. (2022). Our initial experience with combined endo-laparoscopic surgery(CELS) for removal of a large benign colorectal polyp. Asian Journal of Case Reports in Surgery, 5(2), 299–304.
Soh, N. Y. T., Chia, D. K. A., Teo, N. Z., Ong, C. J. M., & Wijaya, R. (n.d.). Prevalence of colorectal cancer in acute uncomplicated diverticulitis and the role of the interval colonoscopy. International Journal of Colorectal Disease, 33(7), 991–994.
Contact Our Call Centre
Clinic
Colorectal Clinic Associates
38 Irrawaddy Road #10-48/49
Mount Elizabeth Novena Specialist Centre
SG 329563
Mount Elizabeth Novena Specialist Centre
SG 329563
6643 9929
Colorectal Clinic Associates
319 Joo Chiat Place #05-08
Parkway East Medical Centre
SG 427989
Parkway East Medical Centre
SG 427989
6348 1383
