Insurance keeps disappearing from my file

I am genuinely so confused. I was seen in the ER last month where I provided my primary and secondary insurance. Then a few days later I got a call about my “self-pay” bill. I told them I provided my insurance at the hospital and they said there was no insurance on file for me, so I provided it again over the phone. Then a few days later I got a call saying “Your bill is ready, but we can’t locate your insurance.” So I called up and provided both my primary and secondary insurance again. Then I finally got a bill online, but noticed that only my primary insurance was billed and it said “none on file” for secondary insurance so I called again and they said there was no record of me ever providing secondary insurance. So I gave it to them AGAIN. Now I got another bill in the mail today STILL saying “none on file” for secondary insurance. It’s a Sunday so I can’t call and do anything about it.

Does anyone have any idea why my insurance keeps disappearing from my file? I asked the representative and he said this should not be happening as usually once insurance is added it stays on file. I am just so incredibly frustrated because my secondary insurance is Medicaid and because this was an ER visit it is supposed to get paid in full but they keep “losing”/won’t bill my Medicaid. It’s almost as though they’re trying to make more money off of me.

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