Lisa Chaiken, MD is a board-certified radiation oncologist. She received her undergraduate degree, Phi Beta Kappa and magna cum laude, from Harvard University and her medical degree from UCLA, and then served as Chief Resident of Radiation Oncology.

She was clinical faculty at the UCLA Breast Center for several years with special interests in breast, prostate, CNS, head and neck, and gynecologic cancer. Her work on PET imaging of radiation oncology patients earned her the Residents Essay Award from ASTRO.

She served on the Board of the Bay Surgical Society, American Cancer Society and the Women of Color Breast Cancer Support Group, and President of the Southern California Radiation Oncology Society. She has Chaired Radiation Safety Committees and served as Radiation Safety Officer.

She has been voted by her peers to be included in the Best Doctors in America.

Medical School
  • LAC - USC Medical Center, Los Angeles, CA
  • LAC - USC Medical Center, Los Angeles, CA
  • English


Valley Radiotherapy Associates
2121 Santa Monica Boulevard
Garden Level
Santa Monica, CA 90404
(310) 829-8913
(310) 315-6168


  • Radiation Oncology (Board Certified)
Clinical Interests
  • Radiation Oncology
  • Oncology
  • Radiation Therapy
  • Prostate Cancer
  • Bladder Cancer
  • Breast Cancer
  • Head & Neck Cancer
  • Lung Cancer
  • Skin Cancer
  • Partial Breast Irradiation
  • Stereotactic Radiosurgery
  • Stereotactic Radiotherapy
  • Stereotactic Body Radiotherapy
  • Cancer Diagnosis / Treatment


Insurances Accepted
  • Medi-Cal (Straight)
  • Medicare
  • Medi-Medi (Medicare-Medi-Cal)