Valley City ( CSi)Essentia Health Essentia Health and CommonSpirit Health have signed a Letter of Intent for CommonSpirit-owned facilities operating under the CHI brand in North Dakota and Minnesota to join Essentia Health. This includes CHI St. Alexius Medical Center in Bismarck, a full-service tertiary hospital, 13 critical access hospitals, along with associated clinics and living communities as currently operated by CommonSpirit and CHI Health at Home.