A Mitgliedsbescheinigung or Versicherungsbescheinigung proves that you have health insurance. You get this document from your health insurer after you choose health insurance.
You need a Mitgliedsbescheinigung to…
If you have public health insurance, you get a Mitgliedsbescheinigung nach § 175 SGB V. If you have private health insurance, you get a Mitgliedsbescheinigung nach § 257 SGB V.
You can also get a provisional proof of health insurance (vorläufige Mitgliedsbescheinigung). It proves that you will have health insurance in the future. For example, insurance might only cover you after you start working or studying.
