 Mountainside Hospital (also known as HackensackUMC Mountainside), located in Montclair, New Jersey, became part of the Hackensack network when it was acquired by Hackensack and LHP (now Ardent) jointly in 2012 from Merit Health Systems.The Centers at Hasbrouck Heights includes The Dave Winfield Nutrition Center, which was established in 1986.The Dave Winfield Nutrition Center was founded by and named after Dave Winfield.