Is there anything we can do? Hospital accidentally listed uncle as homeless/no family.

My uncle was taken into the ER yesterday. He was picked up from our home, I rode in the ambulance with him. I gave the paramedic and ambulance driver as much info as I could. After an hour, ER told me they had him in a room and they'd tell me when he could have visitors. Another hour, no one has told me of his condition at all, I tried to get info on him and they told me he was no longer in the ER! Took them about 30 minutes to find out he was in the OR. No one in the ER had spoke to me at all about his condition and no one could even tell me what the surgery was for! ER said OR would explain. We rushed to the OR and waited again for hours, we were promised multiple times someone was coming. After surgery, when someone finally came to us, we were told that ER said he was homeless and had no family, that's why no one came to us. Is there's anything we can do about them filing him as homeless and neglecting to inform us of his condition for 6 hours, despite being there since he arrived?