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Concord Medical Services Holdings Limited, together its subsidiaries, operates a network of radiotherapy and diagnostic imaging centers in the People's Republic of China. The company operates in two segments, Network and Hospital. Its services include linear accelerators and external beam radiotherapy, proton therapy system, gamma knife radiosurgery, head gamma knife system, and diagnostic imaging services. The company's other treatments and diagnostic services comprise positron emission tomography-computed tomography and magnetic resonance imaging scanners. In addition, it provides clinical support services, such as developing treatment protocols for doctors, and organizing joint diagnosis between doctors in its network and clinical research, as well as helps to recruit and determine the compensation of doctors and other medical personnel. Further, the company offers radiotherapy and diagnostic equipment leasing, management services, and premium cancer and proton treatment services to hospitals, as well as teleconsultation and medical information technology services; and sells medical equipment. Additionally, it operates specialty cancer hospitals, which offer radiotherapy services, diagnostic imaging services, chemotherapy, and surgery. The company was founded in 1997 and is headquartered in Beijing, the People's Republic of China.

Envision Healthcare Corporation, through its subsidiaries, provides various healthcare services in the United States. The company operates through two segments, Physician Services and Ambulatory Services. As of December 31, 2017, its physician-led services encompassed providers at approximately 1,800 clinical departments at healthcare facilities in 45 states and the District of Columbia that include emergency department and hospitalist, anesthesiology, radiology/tele-radiology, and children's services. The company also offers ambulatory surgical centers (ASCs) services that provide surgical procedures across multiple specialties, including gastroenterology, ophthalmology, orthopedics, and others. It operated 264 ASCs in 35 states and the District of Columbia. In addition, it provides surgery services, such as management, oversight, and surgeon staffing for trauma surgery services; offers direct patient care and care coordination by clinicians outside the acute care setting through physician-led post-acute care services; and operates office-based medical practices that primarily focus on women's health, as well as provides physician staffing and related management services. Further, it offers medical transportation services in 41 states and the District of Columbia. The company offers its clinical solutions for health systems, payors, providers, and patients. Envision Healthcare Corporation was founded in 1992 and is based in Nashville, Tennessee.

1Life Healthcare, Inc. operates a membership-based primary care platform under the One Medical brand. The company has developed a healthcare membership model based on direct consumer enrollment, as well as third-party sponsorship. Its membership model includes seamless access to 24/7 digital health services paired with inviting in-office care routinely covered under health insurance programs. The company also offers administrative and managerial services pursuant to contracts with physician-owned professional corporations or One Medical Entities. As of December 31, 2021, it had 703,000 consumer and enterprise members, and 33,000 At-Risk members; 182 medical offices in 25 markets; and 8,500 enterprise clients in the United States. The company was incorporated in 2002 and is headquartered in San Francisco, California.

Teladoc Health, Inc. provides virtual healthcare services worldwide. The company operates through Teladoc Health Integrated Care and BetterHelp segments. The Integrated Care segment offers virtual medical services, including general medical, expert medical, specialty medical, chronic condition management, and mental health, as well as enabling technologies and enterprise telehealth solutions for hospitals and health systems. The BetterHelp segment operates a mental health platform that provides online counseling and therapy services through website, mobile applications, phones, and text-based interactions by its licensed clinicians. The company offers its products and services under the Teladoc, Livongo, and BetterHelp brands. It serves employers, health plans, hospitals and health systems, and insurance and financial services companies, as well as individual members. The company was formerly known as Teladoc, Inc. and changed its name to Teladoc Health, Inc. in August 2018. Teladoc Health, Inc. was incorporated in 2002 and is headquartered in Purchase, New York.