Moody's Investors Service revised Danville, Pa.-based Geisinger Health System's outlook to negative from stable.
The outlook revision is based on a number of financial and strategic challenges, including an operating loss related to Geisinger's health plan's exchange product.
Moody's Investors Service also affirmed the "Aa2" and "Aa2/VMIG 1" ratings on Geisinger's outstanding bonds. The rating affirmations are based on Geisinger's large size, leading market position and exceptional clinical reputation.