Founding and Early Years (1985-2010) - E. Thomas Chaney, David Steffy, and Richard Ragsdale formed Community Health Systems in 1985. - The company went public in 1991 and was later purchased by private equity firm Forstmann Little & Company in 1996. - Community Health Systems went public again in 2000. - In 2003, the company acquired Southside Regional Medical Center. - Grandview Medical Center began operating in Birmingham, Alabama in 2015.

Recent Developments (2011-present) - Community Health Systems was accused of overbilling Medicare in 2011. - In 2013, the company entered into an agreement to purchase Health Management Associates (HMA). - The merger with HMA made Community Health Systems the largest for-profit hospital operator at the time. - The company settled lawsuits and criminal charges related to fraudulent claims against Medicare and other federal programs. - Community Health Systems experienced a data breach in 2014, impacting 4.5 million patients.

Decline in Hospital Numbers - In 2014, Community Health Systems had around 200 hospitals. - The number of hospitals declined to around 85 in 2021. - The company spun off 38 hospitals and its management subsidiary, Quorum Health Resources, in 2015. - Quorum Health Corporation, the spinoff company, declared bankruptcy in 2020. - CHS was removed from the S&P Midcap 400 and added to the S&P Smallcap 600 in 2016.

Legal Issues and Settlements - In 2000, Community Health Systems paid $31 million to settle a review of its billing practices. - The company paid $95.14 million in 2014 to resolve allegations of billing government health care programs improperly. - Community Health Systems settled allegations related to illegal donations and false claims for $75 million in 2015. - In 2015, the company paid $13 million to resolve allegations under the False Claims Act. - CHS settled lawsuits and criminal charges related to fraudulent claims against Medicare for $262 million in 2018.

Financial Challenges and Sales - Chinese billionaire Tianqiao Chen had a 22.2 percent stake in Community Health Systems in 2017. - The company hired financial advisory firm Lazard in 2018 to address long-term debt. - CHS sold Munroe Regional Medical Center in 2018 and Heart of Florida Regional Medical Center and Lake Wales Medical Center in 2019. - Subsidiaries of CHS completed the sale of three Virginia hospitals in 2020. - During the COVID-19 pandemic, CHS received around a quarter-billion in federal relief funds and filed over 19,000 lawsuits against patients for unpaid medical bills.