Alright, so I was billed for a recent appointment/visit/checkup with my doctor. No problem/issue/difficulty there! But now I'm trying to pay/settle/handle the bill online and it's asking for a Client ID/Account Number/Patient Code. How do I even find this thing? It says something about being on my statement/bill/invoice, but I can't seem to locate

Reddit's freaking the heck out over PayMyDoctor being down right now. People are going crazy about how they can't log in to their accounts and appointments are getting cancelled. Some guys are saying it's been out since morning, while others are just asking what happened. The whole thing is a total nightmare. Honestly, I hope they get it back up A