Internal Medicine Home / Internal Medicine Physician A doctor that specialises in diagnosing and treating serious, difficult or complex medical conditions using non-surgical methods. Resident Consultants Consultant Physician & GastroenterologistDr Ho Yin NgunMBBS, MRCP(UK), AM(Mal) Consultant Physician & GastroenterologistDr Jeeta MuthumanikamMBBS (INDIA), MRCP (UK) Consultant PhysicianDatuk Dr Joseph Ong Ah SoonMBBS, MRACP, FRACP, AM Consultant Physician & Respiratory PhysicianDr Mangayarkarasi M RamanathanMD(UNIMAS), MRCP(UK), Respiratory Medicine Fellowship, RPSGT, WASM, ESRS, ERS Consultant Physician & RheumatologistDr Shamala K. RajalingamMBChB (Liverpool), MRCP (UK), Fellowship in Rheumatology (M'sia) Consultant Physician & GastroenterologistDato' Sri Dr Suresh Raj LachmananMBBS(Malaya), MRCP(UK), FRCP(Edin), AM(Mal), FAMM Consultant Physician & NephrologistDr Thye Yuen LinMBBS(Man), M.Med(Mal), Renal Fellowship(Sydney)