U can use kkh web to estimate the hosp fee. As for doc fee, i dont recall they charge additional like private hosp. https://www.kkh.com.sg/patient-care/Pages/Estimated-Bill-Calculator-Form-Delivery.aspx
Consultation wise first time is $180 and on sat evening. Subsequently is about $150. If compare kkh private and tmc the consulation charges almost the same.