Who are the entities that make up the Medical Information Bureau?

The Medical Information Bureau (MIB) is an organization that primarily serves the insurance industry by providing a repository of medical information that can be used by insurers to evaluate applications for life and health insurance coverage. The correct answer identifies insurers as the key entities that make up the MIB.

Insurers contribute their medical data to the MIB, which helps them assess risks associated with underwriting decisions. This collective information enables insurance companies to make more informed choices, as they can share relevant medical histories and conditions without violating patient confidentiality.

The role of healthcare providers, insurance regulators, and policyholders is not as direct. Healthcare providers are the sources of medical information but do not constitute the MIB. Insurance regulators oversee the industry but do not form part of the MIB itself. Policyholders, while they are the individuals seeking insurance, do not play a role in the structure or governance of the MIB. Therefore, insurers are the primary entities associated with the MIB, as they actively participate in its function and rely on its resources for underwriting purposes.