Parrott’s departure comes nearly a year after the breakup of Amita Health was announced. Amita was formed in 2015 through a joint venture of national chains Ascension and AdventHealth. Together, they operated 19 hospitals, most of which are in the Chicago area.

Parrott was CEO of Amita Health from January 2020 until the breakup and subsequent rebranding in April. The unwinding over the last year resulted in the re-establishment of Ascension and AdventHealth as separate entities.

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Prior to Amita, Parrott was CEO of Dallas-based Tenet Healthcare. Before that, he was CEO of Brookwood Baptist Health, based in Birmingham, Ala., which later became part of Tenet.

National Catholic health system Ascension Health reported net patient service revenue of $6.13 billion in the first quarter of 2022, up from $6.01 billion in the same period of 2021. But rising expenses have resulted in operating income losses totaling $671 million in the first three months of 2022, up from a loss of $16 million in 2021.

St. Louis-based Ascension operates more than 2,600 sites of care, including 143 hospitals in 19 states and Washington, D.C., according to its website. Local hospitals include Ascension Resurrection in Chicago, Ascension Alexian Brothers in Elk Grove Village and Ascension Holy Family in Des Plaines.

This story first appeared in our sister publication, Crain’s Chicago Business.