Moody's Investors Service affirmed its "Aa2," "Aa2/VMIG 1," and "P-1" ratings for Chicago-based Northwestern Memorial HealthCare, affecting $1.1 billion of debt.
The ratings reflect the system's prominent market position and Moody's expectation that Northwestern's consolidated operating model and comprehensive IT systems will allow it to effectively execute growth strategies while maintaining good margins.
The rating outlook is stable.