> If they are passing Medicare and Medicaid data

It’s not. Palantir “receives peoples’ addresses from the Department of Health and Human Services (HHS)” [1]. That’s broader than Medicare or Medicaid.

If you’re on a legal visa and have to get a prescription filled, I think you’ll wind up in those data. (Same if you are legally on Medicare with a spouse who overstayed their visa.)

> does that mean that undocumented migrants are getting Medicare and Medicaid?

Not necessarily. As I said, these data are broader than CMMS. And the targets of the current ICE are not undocumented migrants. (I live in Wyoming, near the Idaho border. The farm workers are fine.)

[1] https://www.404media.co/elite-the-palantir-app-ice-uses-to-f...