21st Century Oncology of California

21st Century Oncology of California

1316 Nelson Avenue Modesto, CA 95350 (209) 575-5870 (209) 575-5872 fax

Map & Directions

About 21st Century Oncology of California

The 21st Century Oncology of California cancer clinic in Modesto, California provides patients with radiation therapy that’s medically integrated in a team approach to care.

As patients progress through treatment and recovery, our radiation oncology specialists keep referring specialists and primary care physicians informed and updated about the care decisions and course of treatment.

Patients also benefit from the research conducted by our network of radiation oncology physicians aimed at improving radiation cancer treatment comfort and outcomes. 

21st Century Oncology of California is operated by 21st Century Oncology, a physician-led company headquartered in Fort Myers, Florida operating 129 cancer clinics across 15 U.S. states.

Available Technologies

Clinac® Linear Accelerator
CT Simulation
MammoSite® Radiation Therapy System
SAVI® Breast Brachytherapy

Hours of Operation

Monday - Friday: 8:00am - 5:00pm

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