WHERE IS MY CLIENT ID?

Okay, so I need make a payment for my doctor's bill, but it says I must have a client ID. , Here's the catch is I can't seem to find it anywhere! I've checked through all my documents and even called their office, but they haven't been able to assist me with it. Is there a way I can find client ID? Manage Veradigm Pay My Doctor: Simple Steps to G

PayMyDoctor Online provides a accessible platform for handling your medical bills with simplicity. You can quickly view your pending balances, arrange recurring payments, and make safe one-time transactions directly from the comfort of your home. Uncover various payment options to suit your needs. Receive real-time updates on your payment history