Medical call near Washington Avenue block in St. Mary's County Heard on: St. Mary's MD Fire Dispatch Group Calls 00:08 00:00 Medical box 502 , (number withheld) block Washington Avenue, St. 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. 00:00 Medical box 502 , (number withheld) block Washington Avenue, St. 00:05 Mary's County. 00:06 Ambulance 599, medic 105 . 2026-09-07 10:37 UTC Medical Emergency Washington Ave, Chaptico, MD 20621 View on map