It was announced earlier this month that Brennan was taking the helm at MetroHealth, in Cleveland, but spokeswoman Tracy Munford said today Brennan will remain in Newark.
The announcement of Brennan joining MetroHealth was still on the front page of that health system's website this morning.
Barnabas Health CEO Barry Ostrowsky declined to comment. Requests for comment from Brennan and MetroHealth have not yet been returned.
Brennan has been president and CEO of Newark Beth and the Children's Hospital of New Jersey since 2007.