That's the way Blue Cross Blue Shield statements are also. ( and I would imagine most insurance companies),,
The doctors or hospital or lab etc charge an amount and the insurance company has a fixed amount they will pay. Then they pay usually 80% and patient 20%,,, or 70/30 whatever your policy allows.
I have always thought the amount doctors etc originally charge is the amount they " expect or hope" to get from patients or insurance companies,, the larger companies negotiate fees ahead of time as does Medicare. So doctors etc know that if they want to accept Medicare patients, this is what they will get paid,,,
Sad to say that if you don't have insurance, or good insurance, you may end up being billed the original rate,,, unless YOU negotiate with them. It pays to be your own best advocate in medical issues,,, from decision making all the way down to price of procedure,,,,,
My thoughts,,,,