UnitedHealth Buys Large Doctors Group as Lines Blur in Health Care December 5, 2017 by quixnet UnitedHealth Buys Large Doctors Group as Lines Blur in Health CareNew York Times UnitedHealth in $4.9 Billion Deal to Buy DaVita Inc.’s Medical UnitTheStreet.com UnitedHealth to Buy Large Doctor Group for $4.9 BillionWall Street Journal Full coverage