With mergers such as CVS and Aetna as well as Optum and DaVita Medical in motion, business owners fear the deals may impact health plan strategies, Aon finds.

CVS Health and Aetna were both talking to other potential partners during early discussions that led to their $68 billion merger.

Zenefits’ exit, new HSA regulations, financial wellbeing programs and Congress’ attempt to replace the ACA were the top stories of Employee Benefit Adviser this year.

A costly revamp is needed to make vision behind Aetna deal reality.

Everybody is playing diversification catch-up to UnitedHealth, which has spent billions on everything from a PBM to ambulatory surgery clinics.

Zenefits exiting the broker of record business, Alera Group bringing agencies together and health reform attempts were among the most viewed items.

The $214 billion company announced on Wednesday that it's buying DaVita Inc.'s physician-network business for $4.9 billion. It's just the latest step in UnitedHealth's push to diversify its revenue.

Overall growth was modest, but more than 150 mergers and acquisitions, such as the formation of Alera Group, proved it’s a dynamic market.

UnitedHealth will buy DaVita Inc.’s physician network business for $4.9 billion, adding hundreds of medical clinics to the health insurer’s business of providing direct medical care.

The proposed acquisition is more about vertical integration and combining data streams, including employee benefit plan information.