Spitzenverband Bund der Krankenkassen is the organization.
According to PR-model, gkv-spitzenverband.de is ranked 89,313th in multilingual Wikipedia, in particular this website is ranked 6,424th in German Wikipedia.
The website is placed before asmscience.org and after romanianmonasteries.org in the BestRef global ranking of the most important sources of Wikipedia.