Simply more digital The new app from mkk - my health insurance is here. With a new design and an expanded range of functions, digital communication with us is now even easier. Exchange ideas with us via a secure channel - no matter when and where you are. Submit your invoices via smartphone or send us a message. We're here for you. Features - Send messages to mkk and receive digital replies - Submit crane notifications for you and your family - Photograph and submit invoices - Your da