Welcome to 21st Century Oncology

Over 30 years of experience

21st Century Oncology is the premier provider of cancer care services across multiple modalities, the largest radiation oncology provider and one of the largest groups of urologists in the U.S. For more than 30 years, 21st Century Oncology has been committed to providing state-of-the-art, academic quality radiation therapy and other cancer treatments in a patient-centric setting focused on continuous innovation.

Convenient treatment locations

Headquartered in Fort Myers, Florida, the physician-led company operates 183 treatment centers, including 147 centers located in 17 U.S. states. The Company also operates 36 centers located in seven countries in Latin America.

A focus on integrated cancer care

21st Century Oncology employs or is affiliated with over 947 physicians globally, including radiation oncologists and other cancer-related specialists such as urologists, medical oncologists, hematologists, gynecologic oncologists, surgeons and pathologists—working together to deliver the most advanced integrated cancer care.



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I am the CEO of 21st Century Oncology, but first and foremost, I am a practicing physician, taking care of very sick patients, with very serious problems."

Dr. Daniel Dosoretz, CEO, 21st Century Oncology

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