Founded in 1991, the Colorado Oncology Society (COS) is the largest oncology professional organization in the state. COS comprises a powerful community of oncologists, nurse practitioners, physician assistants, pharmacists, and other multidisciplinary care providers involved in the treatment of patients with cancer.
The Colorado Oncology Society (COS) is a State Chapter Member with the Association of Cancer Care Centers (ACCC) and maintains an affiliation with the American Society of Clinical Oncology. Through this collaboration, COS members have access to valuable educational content and innovative resources that help them stay ahead of local and national challenges—ensuring patients continue to receive the high-quality care they deserve.
Empowering an interdisciplinary community to provide high quality cancer care in Colorado.
We envision Colorado as a national leader in cancer care.