The actual building housing the veterinary clinic is this.  The current marker (slightly to the north-west) is somewhere on the grounds of the clinic.

A relatively high resolution aerial photo (satellite photo?, date: 7-Sept-2021) of the site showing all details is to be found at
https://datos-lapalma.opendata.arcgis.com/maps/76bfc1ce33c147778398194324f18ceb/explore?location=28.623216%2C-17.906712%2C19.00
Whole lava stream (date: 7-Sept-2021):
https://datos-lapalma.opendata.arcgis.com/maps/76bfc1ce33c147778398194324f18ceb/explore