The Physician To Patient (P2P) network system, a private & secure infrastructure for independently practicing physicians and patients for real-time electronic communication & transfer of patient health information is disclosed by the invention. The invention also discloses an efficient and natural method for creation of Electronic Medical Records by physicians in their own handwriting. The P2P network system utilizes a plurality of devices and components defined by the invention, and custom programming to integrate all equipment, devices and components of the network system. The invention also discloses a highly targeted method of advertising, the One2One Advertising, for healthcare product manufacturers to reach physicians and patients. A number of healthcare related business processes, currently executed manually are performed automatically by P2P network system software. The invention will improve the quality of services to patients, and reduce the overhead cost of the medical offices, and the healthcare industry.