Two Midwest-based health systems, Sanford Health and UnityPoint Health, have...

...signed a letter of intent to merge, the companies announced last week. The joint entity would own more than 70 hospitals in 26 states. Sanford also operates Sanford Health Plan, a health insurer with 186,584 members in Iowa, Minnesota, North Dakota and South Dakota. More than half (51.4%) of its members are enrolled in group risk plans.

From AIS's Directory of Health Plans