Approbation is the unrestricted licence that lets a doctor practise medicine in Germany. For internationally trained doctors it requires recognition of the medical degree, general German at B2, and a medical-language exam (the Fachsprachprüfung).
It is a high bar and a long road — but a clear one. The language requirement (B2 plus medical German) is fixed and worth planning for early rather than discovering late.
B2 general German plus the Fachsprachprüfung (medical language exam).
We'll be straight with you about the level and timeline your goal actually needs — then get you there.