Medical Information Bureau (MIB)

Definition - What does Medical Information Bureau (MIB) mean?

The Medical Information Bureau (MIB) is a non-profit organization that stores the health or medical information of people who were previously insured. Insurance companies in the U.S. use this information to determine the premium price for individual health and life insurance policies.

Insuranceopedia explains Medical Information Bureau (MIB)

Established in 1902, the Medical Information Bureau has helped insurance companies come up with the right premium price for insurance applicants. It does so by comparing the health information in the insurance application to the data that the MIB has on file. This comparison can correct instances of information errors and even identify fraud.

The MIB is careful about releasing information about individuals. It first asks the applicant whether they are willing to have information about them released to the company.

If an applicant supplies information that clashes with the one found on their MIB file, the insurance company will investigate the matter further before declining a policy or adjusting the premium.

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