The highly secure method and system acquires, processes and produces health care (HC) data and service records from multiple local devices, notwithstanding different operating systems (OS) in such devices, and all accessed and controlled by a cloud computing network. Devices have memories, displays, keypads, cameras and microphones. The system operates on acquired data including image, keypad-text, audio, and speech-converted-to text data generated by respective devices. The method downloads commands to devices (notwithstanding different OS) which delete-acquired-data upon a request to save (upload) data to the cloud computing network. Further data security includes a disable-print-screen command prohibiting local storage of stored acquired data into local devices. The method and system also produces a customized surgical schedule by (a) obtaining the GPS location of a local device (b) filtering out the non-surgical appointments from the complete appointment schedule of the HC professional; and (c) displaying only surgical appointments.