What Is Emergency Medical Service (EMS)?Information byBangkok Hospital Rayong Updated on: 21 Jan 2026Bangkok Hospital Rayong Updated on: 21 Jan 2026For more information, please contactEmergency & TraumaBuilding B, G FloorOpen 24 hours every day.Emergency 1719038-921-921038-921-999Emergency & Trauma centerRelated DoctorsSee all doctorsHealth InfoMore health infoHealth InfoSTROKE Beware of “STOP” Recognize Early, Treat Fast – Prevent ParalysisMore health info