Providence Medical Group Santa Rosa - Medical and Radiation Oncology provides nationally accredited cancer care at the Round Barn Cancer Center in Santa Rosa, offering advanced screening and diagnostic services, personalized medical and radiation oncology treatment plans, access to clinical trials, and nurse navigator support.

Dr. Justin Grenet is a hematologist oncologist practicing in Santa Rosa, CA.

Jen-Gu Lin is a nurse practitioner specializing in hematology and oncology in Santa Rosa, CA.