The vast majority of states and the federal government fail to track how many Medicaid physicians use EHRs, reports Politico.

States can identify which doctors have received the Medicaid payments, and the Centers for Disease Control and Prevention has data offering a national picture on the percentage of Medicaid providers using EHRs. However, all but a few states don't know how many of their Medicaid providers are using health IT, according to the story.

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