Check an itemized hospital bill line by line before you pay
Writing in Business Insider, Matt Rosenberg says he used Claude to compare his late brother-in-law's $195,628 uninsured hospital bill with what Medicare pays for the same services, and used ChatGPT to double-check the work. After his six-page letter, the hospital settled for about $32,500.
What they did
He asked the hospital for an itemized bill and then the coded claim form, and asked Claude to build a spreadsheet of each code and its Medicare rate and to flag anything odd. It found supplies billed separately that are normally bundled into the main procedure, a charge for a bypass that never happened, and ventilation billed alongside critical care.
How it went
He had ChatGPT check Claude's analysis, spot-checked the Medicare rules himself, and sent the letter. The hospital countered at $36,356, and they split the difference at roughly $32,500.
Worth knowing
He verified the AI's work and says not to use AI as your lawyer. Always ask for the itemized bill first. This is about checking a bill's accuracy, not about insurance or investment choices.
Try it yourself
Copy this into Claude (or any AI assistant). Replace the parts in [brackets] with your own details.
I received an itemized hospital bill. I've removed the patient's name, date of birth, and account numbers. Make a table of each line: billing code, a plain-English description, and the amount charged. Flag possible duplicate charges, items that look like they should be bundled into another procedure, and services that may not match what actually happened: [briefly describe the care received]. Then list questions to ask the billing office. Don't contact anyone; I'll review everything first. [paste or upload the bill]
Source: Matt Rosenberg, Business Insider, Feb 13, 2026. Read the original →
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