Medical assist near NE Mattis Drive in Hermiston Heard on: Umatilla County Public Safety 00:18 00:00 Public assist, medic 20 at (number withheld) northeast Mattis Drive. 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 Public assist, medic 20 at (number withheld) northeast Mattis Drive. 00:05 Cross streets are northeast 12th and northeast 13th street. 00:10 Dispatch, medic one. 00:13 Medic one. 00:14 Check on the patient. 00:16 About 54 h . 2026-10-27 19:51 UTC Medical Emergency NE Gladys Dr, Hermiston, OR 97838 View on map