WellCare said in May that it would have the top Medicaid membership market share in Michigan and Illinois, increasing its leading market position from four to six states.
Supply costs and physician and professional fees spawned an increase in total expenses to $4.1 billion for the six months ending June 30 this year, records show.
It is the first study to examine financial conflict of interest in the publication of clinical trials that underpin FDA approval of new oncology drugs.
The deal is pending evaluation by the North Carolina Attorney General on the potential effect the transaction could have on market competition, plus other factors.
When asked, 86 percent said insurance companies are "very" or "somewhat" responsible, while 82 percent said hospitals were "very" or "somewhat" responsible.
The EHR systems that caused the most headaches, and drove physicians away in certain instances, typically featured computerized order entry or physician documentation.