Ambulance dispatched to Kaiser Hospital unit 081 Heard on: Yucaipa and East Valley Fire 00:13 Ambulance 621 at Kaiser Hospital Fontana, 9961 Sierra Avenue, building 2nd floor, unit 081, between Marigold Avenue and Kaiser Permanente access road. Transcript This transcript is auto-generated from live dispatch audio and may be incomplete or inaccurate. It is not an official report and may change. Ambulance 621 at Kaiser Hospital Fontana, 9961 Sierra Avenue, building 2nd floor, unit 081, between Marigold Avenue and Kaiser Permanente access road. 2026-11-10 01:56 UTC Medical Emergency Sierra Ave, Fontana, CA 92335 View on map