If your state has a modern Medicaid app or online account—some do, most don’t—log in. Under “My Providers” or “Claims History,” you’ll often find the provider numbers associated with your past visits.
It’s like a digital breadcrumb trail. See that old appointment from last year? Click it, and the provider number should be listed next to the clinic name. Digital forensics without the FBI badge.
But if your portal looks like it was built by a high school intern in 2008, stick to Method #1. The search function might crash your browser. Ask me how I know.