How does one medical insurance company find out in the region of your coverage from another?

I know there is a computer system they use to look it up. What is the system called and how far wager on can they look up? (medical insurance coverage from 5 or 10 years ago?
Answers:
Well, when you sign all those papers getting coverage, you authorize them to learn every single detail more or less you related to your coverage.

They then clutch that information to other insurance companies and say "Hey, we want information about bills we've be paying for this person that you might have be paying too."

If you don't like it, don't get insurance.
Medical Information Bureau, maintains the fact list, depending on the underwriter, the look back period my merely be 5 to 10 years.
It's the Medical Information Bureau (MIB). They don't have everybody in the database but they've be around for 100 years so I guess they could go back that far. However, insurance companies usually just go back 10 years for central conditions, less for minor conditions. Source(s): Independent Agent


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