By Elise Viebeck - 11/14/12 06:54 PM EST
"We write to you today because we believe more information is needed to determine whether QSSI will be able to act effectively in this role in a fair and transparent manner," Upton and Stearns wrote to Health and Human Services Secretary Kathleen SebeliusKathleen SebeliusThe chaotic fight for ObamaCare California exchange CEO: Insurers ‘throwing ObamaCare under the bus’ Sebelius: 'Repugnant' for states to reject Medicaid expansion MORE.
Sen. Orrin HatchOrrin HatchSupreme Court wrestles with corruption law IRS: Annual unpaid tax liability was 8B Hatch asks Treasury for memo that decreases transparency of tax rules MORE (R-Utah) has also expressed concerns over UnitedHealth Group's purchase of QSSI. Another critic compared the deal to the New York Yankees buying off their umpires in a conversation with The Hill.
A senior executive with Optum, the subsidiary of UnitedHealth Group, which bought QSSI, said his firm and UnitedHealthcare are entirely separate businesses.