Robert B. Ash, M.D.
Assistant Clinical Professor, Department of Radiation Oncology
Medical Director of Radiation Oncology, St. Joseph of Orange

Affiliate Locations
Daniel Maxwell Bernad, M.D.
Assistant Clinical Professor, Department of Radiation Oncology

Affiliate Locations
Tanuja A. Bhandari, M.D.
Assistant Clinical Professor, Department of Radiation Oncology

Affiliate Locations
Leslie E. Botnick, M.D.
Senior Director, Radiation Oncology Community Practices
Assistant Clinical Professor, Department of Radiation Oncology
Sherman Oaks Radiation Oncology
Marc I. Botnick, M.D.
Assistant Clinical Professor, Department of Radiation Oncology
Sherman Oaks Radiation Oncology
Benjamin Cahan , M.D.
Assistant Clinical Professor, Department of Radiation Oncology
South Pasadena
Lisa M. Chaiken, M.D.
Assistant Clinical Professor, Department of Radiation Oncology
Sherman Oaks Radiation Oncology
Affiliate Locations
Helen Chen, M.D.
Assistant Clinical Professor, Department of Radiation Oncology
South Pasadena
Caitlin L. Gomez, M.D.
Assistant Clinical Professor, Department of Radiation Oncology
Mission Hills Radiation Oncology
Susanna R. Gordon, M.D.
Assistant Clinical Professor, Department of Radiation Oncology
Riverside Radiation Oncology
Garth A. Green, M.D.
Assistant Clinical Professor, Department of Radiation Oncology
South Bay
Janet M. Hocko, M.D.
Assistant Clinical Professor, Department of Radiation Oncology
Riverside Radiation Oncology
Wei-Hsien (Tommy) Hou, M.D., Ph.D.
Assistant Clinical Professor, Department of Radiation Oncology
Antelope Valley
Ari Katerelos, M.D.
Assistant Clinical Professor, Department of Radiation Oncology
Radiation Oncologist
San Bernardino Radiation Oncology
Linas J. Kazlauskas, M.D.
Assistant Clinical Professor, Department of Radiation Oncology
Glendale Radiation Oncology
Daniel H. Kim, M.D.
Assistant Clinical Professor, Department of Radiation Oncology
Arcadia Radiation Oncology, Arcadia
Ji Hyun Kim, M.D.
Assistant Clinical Professor, Department of Radiation Oncology
Antelope Valley
Paul Mandelin, D.O.
Assistant Clinical Professor, Department of Radiation Oncology
Corona
James Mason, M.D., M.P.H.
Assistant Clinical Professor, Department of Radiation Oncology
Wildomar Radiation Oncology
Brian B. Ronson, M.D.
Assistant Clinical Professor, Department of Radiation Oncology
Temecula, Temecula Radiation Oncology
Mona V. Sanghani, M.D.
Assistant Clinical Professor, Department of Radiation Oncology

Affiliate Locations
Maira E. Simental, M.D.
Assistant Clinical Professor, Department of Radiation Oncology
San Bernardino Radiation Oncology
Karen M. Sokolov, M.D.
Assistant Clinical Professor, Department of Radiation Oncology
South Bay
Sean Szeja, M.D., M.S.
Assistant Clinical Professor, Department of Radiation Oncology
Upland
May Lin Tao, M.D., M.S.
Assistant Clinical Professor, Department of Radiation Oncology
Santa Clarita Radiation Oncology
Affiliate Locations
Krupali Tejura, M.D.
Assistant Clinical Professor, Department of Radiation Oncology
Upland
Lauren A. Lukas, M.D.
Assistant Clinical Professor, Department of Radiation Oncology
Mission Hills Radiation Oncology
Tara A. Washington, M.D.
Assistant Clinical Professor, Department of Radiation Oncology
Temecula Radiation Oncology, Wildomar Radiation Oncology
Venita L. Williams, M.D.
Assistant Clinical Professor, Department of Radiation Oncology

Affiliate Locations
Ruth Williamson, M.D.
Staff Physician, Department of Radiation Oncology

Affiliate Locations
Robert Wollman, M.D.
Assistant Clinical Professor, Department of Radiation Oncology
Medical Director, Radiation Oncology, Providence Saint John's Health Center

Affiliate Locations
Henry Yampolsky, M.D.
Assistant Clinical Professor, Department of Radiation Oncology
West Hills Radiation Oncology
Jekwon (Jay) Yeh, M.D.
Assistant Clinical Professor, Department of Radiation Oncology
Glendale Radiation Oncology