<a href="/hospitals/university-hospital-hamburg-eppendorf-uke">University Hospital Hamburg-Eppendorf</a> - 2,143 reviews, <a href="/hospitals/vivantes-hospital-berlin-friedrichshain">Vivantes Hospital Berlin-Friedrichshain</a> - 1,757 reviews, <a href="/hospitals/university-hospital-essen">University Hospital Essen</a> - 1,472 reviews, <a href="/hospitals/vivantes-hospital-berlin-neukolln">Vivantes Hospital Berlin-Neukolln</a> - 1,440 reviews, and <a href="/hospitals/helios-hospital-krefeld">Helios Hospital Krefeld</a> - 1,331 reviews are hematology (blood diseases) centers in Germany with a significant number of patient feedbacks.