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Adj Asst Prof Ramesh Wijaya

Adj Asst Prof Ramesh Wijaya

MBBS (Singapore), MRCS (Edinburgh), MMed (Surgery, Singapore), FRCS (Edinburgh) (General Surgery), FAMS

Senior Consultant

Specialty: General Surgery

Clinical Appointments

  • Senior Consultant Surgery Changi General HospitalChangi General Hospital
  • Senior Consultant Colorectal Surgery Changi General HospitalChangi General Hospital


Dr Ramesh Wijaya is a senior consultant with the Department of Surgery at Changi General Hospital (CGH). He is also part of the colorectal service with interest both in minimally invasive surgery and surgical oncology. He spent 1 year of his advanced specialist training with the Department of Surgical Oncology, National Cancer Centre.

He graduated from Yong Loo Lin School of Medicine, NUS in 2007 and completed his general surgical training in 2014, obtaining his fellowship, FRCS (Edinburgh). He was awarded the College of Surgeons, Gold Medal as the best performing surgical trainee in the Advanced Surgical Training Programme.

Apart from his clinical interest in general and colorectal surgery, he is also involved in clinical research and education especially in undergraduate surgical education.


  • 2014 FRCSEd (Gen Surg)
  • 2014 MMed (Surgery), Yong Loo Lin School of Medicine, National University of Singapore
  • 2009 MRCS Ed
  • 2007 MBBS

Professional Appointments and Committee Memberships

  • Adjunct Assistant Professor - NTU Lee Kong Chian School of Medicine
  • Adjunct Assistant Professor - NUS Yong Loo Lin School of Medicine
  • Associate Member - Society of Colorectal Surgeons Singapore (SCRS) (since 2011)
  • Clinical Assistant Professor - Duke-NUS
  • Fellow - Academy of Medicine (since 2014)
  • Fellow - Royal College of Surgeons Edinburgh (since 2014)
  • Instructor - Care of the Critical Ill Surgical Patient (CCriSP)(since 2015)
  • Member - American Society of Colon & Rectal Surgeons (ASCRS) (since 2016)
  • Member - College of Clinical Educators, Academy of Medicine, Singapore (since 2017)
  • Member - College of Surgeons, Academy of Medicine, Singapore (since 2014)
  • Member - European Association of Endoscopic Surgery (EAES) (since 2013)
  • Member - European Society of Coloproctology (ESCP) (since 2015)
  • Member - Singapore Medical Association (since 2007)
  • Member - Surgeons in Training (SIT) Committee, College of Surgeons, Singapore (2011)
  • Physician Faculty - SingHealth General Surgery Residency Program


  • Outstanding Educator Award, Changi General Hospital (2018)
  • SAF Commando Formation National Service Man of the Year (2017)
  • Singapore Medical Journal Best Research Prize (2017)
  • National Service Excellence Award (2017)
  • SAF Commando Formation National Service Man Commendation (2016)
  • Scientific Poster of Commendation, Eastern Health Alliance Scientific Meeting (2016)
  • Scientific Poster of Distinction, American Society of Colon & Rectal Surgeons Scientific Meeting Los Angeles ,USA (2016)
  • National Service Excellence Award (2016)
  • Gold Award, Eastern Health Alliance Caring Awards (2015)
  • Pre-congress Placement Award, European Society of Coloproctology (ESCP) in Valencia, Spain (2014)
  • College of Surgeons Gold Medal for Best Performing Advanced Surgical Trainee (2014)
  • Outstanding Faculty Award, Singhealth Residency (2014)
  • Certificate of Commendation, National University of Singapore (2014)
  • Best Educator Award (Medical – Postgraduate), Changi General Hospital (2013)
  • Certificate of Commendation, National University of Singapore (2013)
  • NUS Medical Society Outstanding Tutor Award (2013)
  • Winner, Youth Competition, Multidisciplinary European Endovascular Therapy Congress, Rome, Italy (2013)
  • Silver Award, Eastern Health Alliance Caring Awards (2013)
  • Best Tutor for Surgery, Yong Loo Lin School of Medicine, NUS (2012)
  • Best Oral Presentation, Eastern Health Alliance Inaugural Scientific Meeting (2011)
  • Best Oral presentation, 10th Asia-Pacific Congress of Endoscopic Surgery – Society of Colorectal Surgeons,   Singapore Scientific Meeting (2011)
  • Institutional Best Tutor (CGH) Phase III Surgery Posting (2011)
  • SAF Good Service Medial (2010)
  • Best House Officer Award, Singhealth (2008)
  • Best House Officer Certificate of Commendation, CGH (2008)
  • 2nd Best Poster Presentation, 4th Asia Breast Diseases Association Meeting, Chiangmai, Thailand (2006)
  • Half Colours Award, NUS (2004)
  • Excellence Award and Certificate of Appreciation, NUS Medical Society (2005)

Research Interests


A Minimally Invasive Surgical Approach to Synchronous Anal and Colon Adenocarcinoma: Review of Existing Literature. Tan JK, Teo Nan Zun, Ong Jianming Calvin, Sulaiman Bin Yusof, Ramesh Wijaya. • Aug 2016 Int J Colorectal Dis. 2016 Aug;31(8):1543-5.

The Use of Massive Transfusion Protocol for Both Trauma and Non-Trauma Patients in a Civilian Setting: What Can Be Done Better? Ramesh Wijaya, Cheng Hui Min Gloria, Chong Chee Keong, Tan Su-Ming • May 2016 Singapore Med J. 2016 May;57(5):238-41.

Can Venous Base Excess (VBE) Replace Arterial Base Excess (ABE) as a Marker of Shock and as a Predictor of Survival in Trauma? Wijaya Ramesh, Ng Jia Hui, Ong Wei Lin Lester, Andrew Wong Siang Yih • Feb 2016 Singapore Med J. 2016 Feb;57(2):73-6.

Open Thrombectomy for Primary Acute Mesentericoportal Venous Thrombosis - Should It Be Done? Ramesh Wijaya, Ng Jia Hui, Amanda See, Steven Kum Wei Cheong • Oct 2015 Ann Vasc Surg. 2015 Oct; 29 (7): 1454. e 21-5.

Laparoscopic management of complicated foreign body ingestion: A case series. Daryl Chia Kai Ann, Ramesh Wijaya, Andrew Wong, Tan Su-Ming • May 2015 Int Surg. 2015 May; 100 (5): 849-53.

Schistosomal appendicitis with portal hypertension Ramesh Wijaya, Ng Jia Hui, Tan Shoun, Andrew Wong Siang Yih • Feb 2015 Int J Colorectal Dis. 2015 Feb [Epub]

Resolving the diagnostic and management dilemma: A case of giant sporadic mesenteric fibromatosis and review of the literature Ramesh Wijaya, Manraj Singh, Adrian Koh Jit Hin, Andrew Wong Siang Yih • Aug 2014 World Journal of Colorectal Surgery. 2014 Aug; 4 (4): Article 5.

Isolated tuberculosis of the pancreas mimicking a pancreatic tumor with concomitant choledocholithiasis Ramesh Wijaya, Chee Hoe Koo, Adrian Kah Heng Chiow, Siong San Tan, Su-Ming Tan • Apr 2014 Int J Hepatobiliary Pancreat Dis. 2014;4:26–31.

Bone Bruise Patterns in knee injuries: where are they found? Yuin Cheng Chin, Ramesh Wijaya, Le Roy Chong, Haw Chong Chang, Yee Han Dave Lee • Sept 2013 Eur J Orthop Surg Traumatol. 2013 Sep

Ease of Use to Obtain Vascular Access in Adults Using a Novel Intraosseous Access Device Ong EH Marcus, Ngo S Y Adeline, Ramesh Wijaya • Feb 2009 Ann Acad Med Singapore 2009;38:121-4.

Managing Breast Cancer Diagnosed in First Trimester Pregnancy: A Case Report Ramesh Wijaya, Wei Sean Yong, Allen WY Yeo, See DT. • Dec 2007 Ann Acad Med Singapore. 2007 Dec;36(12):1024-7

Uncorrected refractive error in Singapore teenagers. Ho CS, Ng CB, Chan E, Ngeow A, Wijaya R, Ashok V, Tang W, Gazzard G, Chua WH, Saw SM • Feb 2006 Br J Ophthalmol 2006 Feb;90(2):202-7

Research Trials