History and Financial Troubles: - December 2016: Envision and AMSURG merged, and the company's stock replaced Legg Mason in the S&P 500 index. - August 2017: Envision sold its ambulance unit, American Medical Response, for $2.4 billion to KKR and merged it with another company it owned. - 2017: Envision's subsidiary EmCare came under scrutiny for high medical bills from out-of-network healthcare providers. - 2017: The company reported a net loss of $232.5 million on revenue of $7.8 billion. - June 2018: KKR announced the acquisition of the rest of Envision for $9.9 billion, including debt assumption. - April 2020: Envision considered bankruptcy filing. - September 2022: Moodys warned that Envision Healthcare could be at risk of bankruptcy. - May 15, 2023: Envision Healthcare filed for Chapter 11 bankruptcy.

Subsidiaries and Divestitures: - Envision's subsidiary EmCare faced scrutiny for high medical bills from out-of-network providers. - Envision sold its ambulance unit, American Medical Response, for $2.4 billion to KKR. - Envision merged American Medical Response with another company it already owned.

Leadership Changes: - In February 2020, James Rechtin was appointed as CEO of Envision Healthcare.

Partnerships and Agreements: - In October 2020, Cigna and Envision renewed their agreement to include Envision's clinicians as in-network providers to Cigna's members.

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