Axios featured a recent paper by Simple Healthcare analyzing how completely major insurers disclose negotiated prices under federal transparency rules. The report found that UnitedHealthcare, Aetna, and Cigna all left gaps in their data, with Aetna disclosing only about half of common hospital outpatient rates and UnitedHealthcare reporting just 8% of hospital inpatient pricing — despite high completeness in other service categories.

The article also includes comments from payers disputing the study’s conclusions — Cigna called any suggestion of noncompliance “false,” and UnitedHealthcare said it aims to provide “clear, complete and actionable data.”Axios noted that the Centers for Medicare & Medicaid Services (CMS)has not taken public enforcement action, even as regulators reaffirm commitments to transparency oversight.

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