Mark of the "Beast"? Unique Patient Identifier (UPI) - Medical System's New Gateway to Completely Control our Lives?Big Brother is ready to watch you as you hop from doctor to doctor, treatment to treatment, and you have reason to be worried. Congress has moved us one step closer to establishing a unique patient identifier (UPI) system. The UPI is meant to act like a passport into the healthcare system and to aid healthcare institutions in matching patients with their medical records. A unique number assigned to every American that gives access to that person’s full medical records to every doctor, hospital, researcher, and public health department in the country. What could go wrong?