Health Payer Intelligence March 20, 2023
Comparing provider directories from Aetna, Elevance, Cigna, Humana, and UnitedHealth with Medicare data, a research letter found that many entries contained inaccuracies.
Most of the entries in the five large insurers’ provider directories have inaccuracies, a research letter published in JAMA Open Network explained.
The researchers compared physician information in the Medicare Provider Enrollment, Chain, and Ownership System database to the same physicians’ information in the directories of five of the largest insurers in the US. The insurers were Aetna, Elevance, Cigna, Humana, and UnitedHealth. Almost 450,000 of the nearly 635,000 physicians in the Medicare database were in multiple directories.
“A physician’s information was considered consistent if it was the same among all locations or specialties across all directories in...
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