Surgeon’s clash with UnitedHealthcare shows insurer’s hardball tactics

Dr. Catherine Mazzola, a pediatric neurosurgeon, runs a practice she says is in serious jeopardy because of recent moves by UnitedHealth Group. Zach Gross for NBC News Dr. Catherine Mazzola, a pediatric neurosurgeon, runs a practice in New Jersey that treats low-income children on Medicaid. Since 2008, she has cared for boys and girls with cerebral palsy,…

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