Sounds like Phishing. Would not confirm what the call was about unless I confirmed who I was. The only information "Angela" would give me is they were from the "Business Offices" of the hospital. I asked which hospital and they would not confirm unless I gave them personal information. After hanging up, Angela called again and left a voice message with a call back number. Calling them back, it goes to an automated system that you have called the "Business Office." All contacts go to voice mail. Waiting for someone to pick up brought me to an older woman who said I called the "Business Office." I asked office for who? She said she didn't understand my question. I said I got a call from Angela and she mentioned the business office of a hospital. I asked her which hospital. The woman said they were the business office of "several hospitals." I asked for a manager and she connected me to a random voice message.