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Dr Ong Jianming Calvin
General Surgeon
Specialty
General Surgery
Languages
English, Hokkien, Mandarin
Gender
Male
Insurance Panel
Prudential^, HSBC Life, Great Eastern
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.
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Experience
Dr Calvin Ong is a general surgeon at Parkway East Hospital.
Besides general surgery, he also subspecialises in colorectal surgery. His interests are in minimally invasive cancer surgery, inflammatory bowel disease, and pelvic floor disorders. He is also proficient in laparoscopic and robotic colorectal operations for cancer and benign disease, laparoscopic gall bladder and appendix operations, gastroscopy and colonoscopy, laparoscopic hernia repair, rectal prolapse surgery, and surgery for fistulas and piles.
Dr Ong was previously a senior consultant at Changi General Hospital.
He 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 with the Royal College of Surgeons of Edinburgh, UK. He did his fellowship training by spending a year at St Mark’s Hospital, UK, specialising in inflammatory bowel disease and pelvic floor disorders. He has been practising medicine for more than 15 years.
Besides clinical duties, Dr Ong was a clinical lecturer for Yong Loo Lin School of Medicine and an adjunct associate professor with Duke-NUS Medical School.
He is a member of the Singapore Colorectal Society and was in its executive committee.
Associated treatments
- Procedures for benign perianal conditions
- Total / partial colon resection or bypass (open)
- Colostomy
- Appendicectomy (open / laparoscopic)
- Haemorrhoidectomy
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.
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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
