WHERE IS MY CLIENT ID?

Okay, so I need pay my doctor's bill, but click here it says I require a client ID. Problem is I can't seem to find it anywhere! I've checked through all my documents and even emailed their office, but they haven't been able to provide me with it. What should I do to find client ID? Handle Veradigm Pay My Doctor: Simple Steps to Launch Veradigm

PayMyDoctor Online provides a convenient platform for handling your medical bills with ease. You can efficiently view your current balances, set up 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 an