To the outside world and its countless health care customers, the data powerhouse IQVIA has portrayed itself as a bastion of privacy, fully committed to safeguarding the medical secrets it has spent decades collecting on tens of millions of Americans.
But internal documents reveal a different reality.
A STAT investigation found privacy lapses in the company’s secretive and long-running relationship with the credit reporting firm Experian, whose detailed consumer data it buys and then links with Americans’ health records — all to deliver marketing insights to drug companies and device makers.
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