Ambulance dispatched to Kaiser Hospital in Fontana Heard on: San Bernardino County CA Fire Dispatch 00:12 Ambulance 777 at Kaiser Hospital Fontana, 9961 Sierra Avenue, Unit 513A, 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 777 at Kaiser Hospital Fontana, 9961 Sierra Avenue, Unit 513A, between Marigold Avenue and Kaiser Permanente Access Road. 2026-11-11 20:58 UTC Medical Emergency Sierra Ave, Fontana, CA 92335 View on map