With Police-MDcard, injured police officers can prevent serious delays in medical treatment and protect themselves against potentially adverse treatments or medication conflicts. The Police-MDcard acts as a medical identifier for the officer or other public service professional. Medical identifiers provide life-saving information to an emergency first responder. The Police-MDcard is a credit card-size USB-Flash card that fits naturally in a wallet and is easily found in emergencies. Personal health and other records can be securely saved on the Police-MDcard via a AES Encryption. The card can be password protected and partitioned with read-only part, secured part, public part. The card from 911-ID has a large memory capacity up to 4GB allowing it to contain data and application software for the high speed data transfer of records such as medical images, X-ray, dental charts MRI and other files. The Police-MDcard is waterproof, electrostatic proof and customizable.