You can download a certificate confirming that you are insured with us via the TK-App. If you are registered with "Meine TK" ["My TK"] you can also download the certificate there (please note that this process is currently only available in German).
More details
Would you prefer to request the certificates directly from us? Call us on +49 40 - 46 06 62 53 00 and we will be happy to send you the documents by post.