Dr John Loh Ming Ren

Dr John Loh is a Consultant with the Department of Otolaryngology, Head & Neck Surgery and the Department of Sleep Medicine, Surgery and Sciences at Changi General Hospital (CGH).

He obtained his medical degree from National University of Singapore (NUS) Yong Loo Lin School of Medicine in 2010. He was appointed as a member of the Royal College of Surgeons (Ireland) in 2015 and subsequently started his Residency training in 2016, where he served as both the national ENT (Ear, Nose, Throat) chief resident and SingHealth ENT Chief resident from 2019 to 2020. He completed his Masters of Medicine (Otolaryngology) in 2018, and completed his specialist training in 2021.

Dr Loh’s subspecialty interests are in sleep disordered breathing, snoring and obstructive sleep apnoea. He also sees patients with all general ear, nose, throat and head & neck issues.

• SingHealth Residency (Otorhinolaryngology) 2021
• MMed (Otolaryngology) National University of Singapore 2018
• ECFMG (Education Commission for Foreign Medical Graduates) 2016
• MRCS (Ireland) 2015
• MBBS, National University of Singapore, Yong Loo Lin School of Medicine 2013
• United States Medical Licensing Examination (USMLE) Step 2 CK 2013
• United States Medical Licensing Examination (USMLE) Step 2 CS 2013
• United States Medical Licensing Examination (USMLE) Step 1 2011

• Clinical Physician Faculty Member, SingHealth Otolaryngology Residency Programme, 2021 - Present
• Clinical Instructor, Duke-NUS Medical School, 2022 - Present
• Clinical Lecturer, National University of Singapore Yong Loo Lin School of Medicine, 2021 - Present
• Clinical Teacher, National Technological University of Singapore, Lee Kong Chian School of Medicine, 2022 - Present
• Adjunct Research Fellow, Duke-NUS Medical School, 2020 - Present
• Member, CGH Tracheostomy Care Team, 2022 - Present
• Member, Department Mortality & Morbidity Committee for Otorhinolaryngology – Head & Neck Surgery, 2022 - Present
• Chief Resident, SingHealth Otorhinolaryngology Programme, 2019 – 2020
• Chief Resident, National Otorhinolaryngology Programme, 2019 – 2020
• Co-chairman, Communications Sub-Committee, SingHealth Resident's Committee, 2016 – 2017

• Changi General Hospital Best Educator Award 2022
• SingHealth Residency Outstanding Resident Award 2020/2021
• SingHealth Residency Outstanding Resident Award 2018/2019
• SingHealth Residency Outstanding Resident Award 2016/2017
• SingHealth Residency Resident's Committee Appreciation Award 2017
• NUS Yong Loo Lin School of Medicine, Junior Doctor Teaching Award 2014/2015

• Huang E, Loh J, Pang CYM, Tan L. An unusual presentation of a thyroglossal duct cyst with cutaneous extrusion. Otolaryngology Case Reports. 2023 March; 26. https://doi.org/10.1016/j.xocr.2022.100497.
• Lee J, Loh J, Lee TS. Double thumb sign in a case of epiglottitis. Radiol Case Rep. 2021 May 9;16(7):1810-1814. doi: 10.1016/j.radcr.2021.04.007. PMID: 34025892; PMCID: PMC8122359.
• John Loh, Toh ST. Rethinking Neck Circumference in  STOP-BANG for Asian OSA. Proceedings of Singapore Healthcare. 2018 :1-5
• Loh JM, Shafi H. Kikuchi-Fujimoto disease presenting after consumption of 'Miracle Mineral Solution' (sodium chlorite). BMJ Case Rep. 2014 Nov 24;2014:bcr2014205832. doi: 10.1136/bcr-2014-205832. PMID: 25422331; PMCID: PMC4244351.