Dr Ong Jianming Calvin
General Surgeon
Specialty
General Surgery
Languages
English, Hokkien, Mandarin
Gender
Male
Insurance Panel
Prudential^, Great Eastern, 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 specialises in colorectal and general surgery, and he performs minimally invasive as well as advanced robotic surgery for both benign and malignant colorectal conditions such as inflammatory bowel disease, pelvic floor disorders, colorectal cancer and hernia repair.
Prior to joining private practice, he was a senior consultant at Changi General Hospital.
He graduated from the National University of Singapore and completed his master’s there. He became a fellow with the Royal College of Surgeons of Edinburgh, UK. Dr Ong was awarded the Health Manpower Development Plan award and spent a year at St Mark’s Hospital where he specialised in inflammatory bowel disease and pelvic floor disorders. Upon his return to Singapore, he further developed his skills in robotic surgery on the Da Vinci Xi platform for both benign and malignant colorectal conditions, which remains his main interest today. He has been practising medicine for more than 15 years.
Besides clinical duties, he is a member of Singapore Colorectal Society and was its executive committee. Dr Ong is also a clinical lecturer at Yong Loo Lin School of Medicine.
He is a recipient of several Singapore Health Quality Awards.
Associated treatments
- Appendicectomy (open / laparoscopic)
- Colostomy
- Total / partial colon resection or bypass (open)
- Haemorrhoidectomy
- Procedures for benign perianal conditions
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
