Told you so (twice)

From Kaiser Family Foundation (Medicaid Proof-of-Citizenship Rules Lead to Enrollment Decline Among U.S. Residents, Not Undocumented Immigrants):

New Medicaid proof-of-citizenship rules have reduced the number of beneficiaries in many states, although most of those dropped from the rolls were eligible for the program but could not provide adequate documentation, according to a Government Accountability Office report released on Monday...

Like I said in March and last year, citing other sources to whom this result was also kind of obvious.