MAKING A PAYMENT MY DOCTOR: WHERE'S MY CLIENT ID?

So, I'm trying to pay my doctor's fees, and it says I need a client ID. Here's the catch: I can't find it anywhere! Searched the paperwork. Did my doctor's office send it to me? Is there a online system? Any ideas on how to this client ID would be super useful. Logging in to Veradigm Pay My Doctor for Payment Problems Are you facing issues conn