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About Us

About the US Oncology Network and Virginia Oncology Associates

The US Oncology Network

The US Oncology Network is one of the nation’s largest networks of community-based oncology physicians dedicated to advancing cancer care in America. Like-minded physicians are united through The Network around a common vision of expanding patient access to high-quality, integrated cancer care in communities throughout the nation. Leveraging healthcare information technology, shared best practices, refined evidence-based medicine guidelines, and quality measurements, physicians affiliated with The US Oncology Network are committed to advancing the quality, safety, and science of cancer care to improve patient outcomes.  Each year, the approximately 1,000 physicians in The Network touch the lives of more than 750,000 cancer patients in more than 350 sites of care and more than 70 integrated cancer centers throughout the United States.

The US Oncology Network is supported by McKesson Specialty Health, a division of McKesson Corporation focused on empowering a vibrant and sustainable community patient care delivery system to advance the science, technology and quality of care. For more information, visit

US Oncology Research

Supported by McKesson Specialty Health and The US Oncology Network, US Oncology Research draws from a network of experienced investigators and dedicated clinical staff who specialize in Phase I through Phase IV oncology clinical trials. US Oncology Research serves more than 80 research sites in more than 470 locations and manages more than 300 active trials at any given time. Physicians in the research network have enrolled more than 78,000 patients in over 1,600 trials since inception in 1992 and have contributed to the development of over 90 cancer therapies approved by the FDA.

Patient Advocacy

The US Oncology Network believes that all cancer patients should have access to the care they need without the threat of severe financial hardship. Patients are offered dedicated support to help access reimbursement- assistance programs. Since the program began in 2006, more than 30,000 patients from across the country received more than $200 million in financial assistance for needed therapies. We work with federal, state and local legislators, as well as government and private payers to foster a greater understanding about oncology patient care and the vital role community oncology practices play in the lives of cancer patients and their families.