Henry Powderly
Top services include upper airway endoscopy and nerve injections.
Infections treatments lead to millions in medical charges.
Prudential Real Estate Investors has raised $629 million to be used to buy senior housing.
The 2014 revenue growth for nonprofit and public health systems is a steep jump from the sector's all-time low in 2013.
The deal would add two new affiliated hospitals to Northwestern, one of the largest systems in the region.
According to Irving Levin Associates, the bump could be due to a just-released proposal by the Centers for Medicare and Medicaid Services to raise the payment rate for inpatient psychiatric facilities.
Participants in the program are expected to scale their value-based payments to 30 percent by 2016 and 50 percent by 2018.
Department of Justice says chain allowed patients to undergo radiation cancer treatment that was not supervised by radiation oncologists.
The top M&A in the sector have already totaled more than $64 billion, according to the Healthcare M&A Information Source by Irving Levin Associates.
Deal makes Tenet largest provider of ambulatory services in the United States.