Unable to answer "What are the opening hours here?" – Praxis Drs. Endres-Paul und Andra Dobre (General Surgeon) – https://osm.org/node/8555102253 via StreetComplete 59.3:

Arztpraxis ist umgezogen:
Moltkestr. 7

Attached photo(s):
https://westnordost.de/p/249181.jpg