What is the definition of a "provider network" in health insurance?

A "provider network" in health insurance is indeed defined as a list of doctors, hospitals, and health care providers that have contracted with an insurance company to provide services to members at negotiated rates. This network is crucial because it establishes the framework through which insured individuals can access healthcare services at lower costs due to the agreements made between the providers and the insurance company.

By being part of a provider network, patients usually benefit from reduced out-of-pocket expenses when they seek care from these contracted providers compared to those who are outside of the network. This arrangement promotes coordinated care and can also streamline the process for insurance claims, as the network providers are familiar with the specific requirements of the insurer.

The other options represent different health care concepts that do not align with the definition of a provider network. A database of patients is unrelated to the negotiation or contracting of services. The collection of insured individuals describes the broader population enrolled in an insurance program rather than a specific group of healthcare providers. Finally, the set of guidelines for insurance policy claims refers to the procedures for submitting and processing claims, which is distinct from the concept of provider networks.