Radiation Oncology Team - Clinical Network Locations

Robert Ash
Robert B. Ash, M.D.
Radiation Oncologist

Robert Ash, M.D., brings more than two decades of radiation oncology experience to City of Hope.

Tanuja Bhandari
Tanuja A. Bhandari, M.D.
Radiation Oncologist

Tanuja Bhandari, M.D., is a radiation oncologist at City of Hope who is well-versed in all forms of radiation oncology, including intraoperative radiation therapy.

Leslie Botnick, Senior Director, Radiation Oncology Community Practices; Assistant Clinical Professor, Department of Radiation Oncology
Leslie E. Botnick, M.D.
Radiation Oncologist
Sherman Oaks Radiation Oncology

Leslie Botnick, M.D., now a radiation oncologist with City of Hope, helped bring about the significant advance of treating many breast cancer patients with lumpectomy plus radiation, instead of mastectomy.

Benjamin Cahan , M.D.
Radiation Oncologist
Mission Hills Radiation Oncology; Santa Clarita Radiation Oncology

Benjamin Cahan, M.D., is a radiation oncologist at City of Hope's Mission Hills and Santa Clarita locations.

Chen Helen
Helen Chen, M.D.
Radiation Oncologist
South Pasadena

Helen Chen, M.D., is a radiation oncologist at City of Hope, South Pasadena in Los Angeles, Southern California.

Boryana Eastman
Boryana Eastman, M.D., Ph.D.
Radiation Oncologist
Antelope Valley

Boryana Eastman, M.D., Ph.D. is an assistant professor in the Department of Radiation Oncology and Department at City of Hope.

Caitlin Gomez Bio
Caitlin L. Gomez, M.D.
Radiation Oncologist
Santa Clarita Radiation Oncology

Caitlin Gomez, M.D., brings a unique perspective to her work as a City of Hope radiation oncologist. She is well-versed in many forms of radiation therapy including image-guided radiation therapy, intensity modulated radiation therapy.

Garth Green CV Bio
Garth A. Green, M.D.
Radiation Oncologist
South Bay

Garth Green, M.D. brings nearly 25 years of radiation oncology experience to City of Hope South Bay.

Janet Hocko
Janet M. Hocko, M.D.
Radiation Oncologist
Riverside Radiation Oncology

An expert in radiation therapy, City of Hope's Janice Hocko, M.D., specializes in radiation therapy for breast, gastrointestinal and lung cancers.

Ronny Kalash DO
Ronny Kalash, D.O.
Radiation Oncologist
Sherman Oaks Radiation Oncology

Ronny Kalash, D.O., is an assistant clinical professor, Department of Radiation Oncology at City of Hope in Mission Hills and Santa Clarita, California.