I want to be able to visit a website, select my hospital, the procedure, and my insurance, and see what it will cost. Next to the result, please show me how much the same procedure would cost with the same insurance at other hospitals near my location.

You will literally save American lives.

A patient wants to know how much a procedure will cost. Now the hospital can look up that data, since apparently (from experience, not hyperbole) no one who works there actually knows.

I work for a company (https://careviso.com) that is in this space.

We will sell our benefits investigation services to providers (hospitals, clinics) so that they can give better information to their patients. However our main customers right now are labs that do diagnostic testing.

What we've been able to do is build data-backed algorithms to determine whether a given patient's health insurance will cover a given test. Since patients are (obviously) more willing to get tested if they know that their insurance covers it, labs that work with us can increase their volume. Labs' sticker price for tests can be thousands of dollars, and they don't want to advertise that. They need information about what insurance the patient has and whether that insurance will cover a given test.

I think most of our data is internal data we've collected, but the Price Transparency Act is definitely useful to us in delivering accurate estimates.

(This is an oversimplification of our system. If you work in the space and want details, I'm sure our team would be happy to talk with you.)

I think that there is opportunity for some neat visualizations with map overlays, average costs of various categories of procedures, etc. As for the customer, I wouldn't know.