Abstract: A method for geographic fingerprinting for monitoring of home services Interactions between a provider of a home service and a patient. The method and system are directed to presence determination (who is at a specific location at a specific time) rather than GPS location services (pinpointing that location). This service will uses a multi-pass authentication system to verify the co-located presence of a patient and service provider along with verification of time and geographic location of the patient and provider against multiple pre-specified static and dynamic parameters.