Lauren VanderSpek, MD, is a radiation oncologist. She received her medical degree from the University of Toronto and completed radiation oncology residency training at the University of Western Ontario. She is fellow of and board certified by the Royal College of Physicians and Surgeons of Canada, and is a member of the American Society for Radiation Oncology and the American College of Radiology.

Dr. VanderSpek's clinical areas of interest include primary and metastatic central nervous system (including intracranial radiosurgery), genitourinary (including prostate brachytherapy), gastrointestinal (including liver metastases stereotactic body radiotherapy), breast, and skin malignancies, as well as lymphoma (including Zevalin) and sarcoma.

She has published research on primary and secondary central nervous system cancer and in-situ squamous cell carcinoma of the skin, and presented research on these topics as well as brachytherapy and lymphoma with secondary malignancy at numerous society meetings including the American Society for Radiation Oncology, World Congress of Brachytherapy, and Society for Neuro-Oncology. Her areas of training include linac-based radiosurgery, prostate low-dose rate brachytherapy, 4DCT and gating, intensity-modulated radiotherapy and image-guided radiotherapy.

Dr. VanderSpek is committed to providing patients with advanced, state-of-the-art radiation oncology therapies and upholding compassion by providing high-quality individualized care. Her approach involves understanding the unique needs of each patient and collaboration with multi-disciplinary teams.

Dr. VanderSpek is a member of the Providence Saint Joseph Medical Staff providing care in radiation oncology.

Medical School
  • University of Toronto Faculty of Medicine, Toronto, Ontario, Canada
  • University of Western Ontario, London, Ontario, Canada
  • University of Western Ontario, London, Ontario, Canada
  • English


Mission Hills Radiation Therapy Center
15031 Rinaldi Street
Mission Hills, CA 91345
(818) 496-4410
(818) 496-4758


  • Radiation Oncology (Board Certified)
Clinical Interests
  • Breast Cancer
  • Gastrointestinal Cancer
  • Liver Cancer
  • Lymphoma
  • Lung Cancer
  • Prostate Cancer
  • Sarcoma


Insurances Accepted
  • Aetna HMO Plan
  • Aetna PPO/POS/EPO
  • Affiliated Health Funds PPO
  • Anthem Blue Cross Calif. Care HMO
  • Anthem Blue Cross PPO/POS/EPO
  • Anthem Blue Cross Senior Plan HMO
  • Beech Street Corporation
  • Blue Cross/Blue Shield PPO
  • Blue Shield 65 Plus Senior Plan HMO
  • Blue Shield Access + HMO Plan
  • Blue Shield HMO Plan
  • Blue Shield HMO Plus POS
  • Blue Shield PPO/POS/EPO
  • Cigna HMO Plan
  • Cigna PPO/POS/EPO
  • Community Care Network PPO
  • CorVel Health PPO/EPO
  • GWH-CIGNA (Great West) PPO, POS
  • Health Management Network PPO
  • Health Net HMO
  • Health Net PPO/EPO/POS
  • Health Net Seniority Plus HMO
  • Interplan PPO/ EPO
  • Medi-Cal (Straight)
  • Medi-Cal Anthem (BC) HMO
  • Medi-Cal Molina HMO
  • Medi-Cal/L.A. Care/Care 1st HMO
  • Medicare
  • Medi-Medi (Medicare-Medi-Cal)
  • Motion Picture Health/Writers Guild
  • National Provider Network PPO
  • Scan Senior Health Plan HMO
  • Secure Horizons Senior/UHC HMO
  • Three Rivers Provider Network PPO
  • United Healthcare HMO Plan
  • United Healthcare PPO/POS/EPO