In context of overlay "Buildings" – https://osm.org/way/1293046526 via StreetComplete 58.0:

This is a surgery building.
Need to check local surgeries around the area to fill in proper tag for this.
Name: The Vine Medical Centre
Phone number: 02089794200 (also double check this online).
Address: 69 Pemberton Road, East Molesey, Surrey, KT8 9LJ.
Opening hours (also maybe check this online): weekdays 8:00am - 12:45pm and 2:00pm - 6:30pm.