Where is northwestern memorial hospital located? The customer support phone number of Northwestern Mutual is +1-414-271-1444 (Click phone number to call).What is northwestern phone number? Northwestern Memorial HealthCare is the corporate parent of Northwestern Memorial Hospital, Northwestern Medical Group (formerly Northwestern Medical Faculty Foundation), Northwestern Memorial Foundation and Northwestern Lake Forest Hospital. Certain functions will be consolidated at the corporate level creating consistency across the health system.What is northwestern memorial healthcare? Northwestern Memorial Hospital (NMH) is a nationally ranked academic medical center hospital located in downtown Chicago, Illinois. It is the primary teaching hospital for Northwestern University's Feinberg School of Medicine.