Abstract: The disclosed embodiments relate generally to a method and system identifying health care providers who are authorized to submit health care claims to health insurer or claims processor. Also provided is a system and method verifying that providers who submit claims are operated in location(s) attested and that those location(s) are legitimate sites for delivery of healthcare services. Utilized are novel algorithms to compare information from provider's credit card terminal to information commonly held by insurance company and identify beneficiaries and dependents who are eligible to receive services capturing health care encounter at point of service, and capturing location and time of health care encounter of authorized beneficiary or dependent at the authorized location of a provider.