Garth Green

Garth A. Green, M.D.

  • Assistant Clinical Professor, Department of Radiation Oncology
  • Radiation Oncologist

Garth A. Green, M.D.

Clinical Specialties
  • Radiation Oncology
Garth Green, M.D., brings nearly 25 years of radiation oncology experience to City of Hope. Patients describe him as “amazing” and “the most caring doctor.”

Dr. Green, a University of California Berkeley graduate with a degree in classical Greek, received his M.D. from Tulane University in New Orleans. He completed an internship at the University of Hawaii before returning to California for a residency in radiation oncology at University of Southern California. He also completed a radiation oncology fellowship at Fox Chase Cancer Center in Philadelphia.
Dr. Green has spent the past two decades treating patients in the South Bay, where he is active in the community. He has appeared on local television to discuss breast cancer risks and treatment options.
  • 2018 - present, Radiation Oncologist, Assistant Clinical Professor, Department of Radiation Oncology, City of Hope, Torrance, CA
  • 2002 - 2018, Medical Director, Radiation Oncology, Providence Little Company of Mary Medical Center, Torrance, CA
  • 2003 - 2018, Radiation Oncologist, San Pedro Hospital, San Pedro, CA
  • 1999 - 2002, Radiation Oncologist, California Hospital, Los Angeles, CA
  • 1999 - 2001, Radiation Oncologist, St. Jude Medical Center, Fullerton, CA
  • 1997 - 1999, Assistant Professor of Radiation Oncology, University of Southern California School of Medicine Kenneth Norris Comprehensive Cancer Center, Los Angeles County Hospital, Los Angeles, CA

South Bay

City of Hope South Bay, 5215 Torrance Blvd., Torrance, CA, 90503

Get Directions

Phone :  310-750-1715


  • 1991, M.D., Tulane University School of Medicine, New Orleans, LA
  • 1987, B.A. Classical Greek, University of California at Berkeley, Berkeley, CA


  • 1997, Radiation Oncology, Fox Chase Cancer Center, Philadelphia, PA


  • 1996, Resident, Radiation Oncology, University of Southern California, Los Angeles, CA


  • 1992, Intern, University of Hawaii, Honolulu, HI
Green G., Hanlon A., Al-Saleen T., Hanks G. A Gleason Score of 7 Predicts for a Worse Prognosis in Patients Treated with Conformal 3-D Radiotherapy for Prostate Cancer. Cancer 83(5): 971-976, 1998.

Gogu S.R., Green G., Gupta V., Agrawal K.C. Selective Protection of Murine Progenitor Cells with Vitamin E from Drug-Induced Toxicity. Proceedings of American Association for Cancer Research 31:404, 1990.

Streeter O.E., Speight J., Green G. Urethral Cancer. In: Raghaven D., Brecher M., Johnson D.H., Meropol N.J., Thigpen J.T., eds. Textbook of Uncommon Cancer. (in press)

Formenti S., Green G. Update of Radiation Therapy in Breast Cancer. Hematology and Oncology Clinics of North America. (in press)

Chapman, J.D., Green G., Kim E., Mosley D., Schneider R.F. The Non-Invasive Measurement of Tumor Oxygenation with Bioreducible Hypoxic Markers (submitted to Cancer Research)
  • American Society for Therapeutic Radiology and Oncology
  • American Society of Clinical Oncology
  • Southern California Radiation Oncology Society
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