Unable to answer "What are the opening hours here?" – F. Juwana (Primary Care Physician) – https://osm.org/node/2754355185 via StreetComplete 57.1:

Die ausgebildeten Ärzte vor Ort.

Attached photo(s):
https://westnordost.de/p/202644.jpg
https://westnordost.de/p/202645.jpg