An NCI-designated Comprehensive Cancer Center

John Raytis, M.D.

Clinical Expertise
  • Anesthesiology
Assistant Clinical Professor, Department of Anesthesiology

Clinical Teams

  • Anesthesiology
“City of Hope is the perfect place for me to combine patient care with my research interests.”
John Raytis, M.D., is associate director of anesthesia operations at City of Hope. He strives to provide “compassionate, evidence-based anesthetic care of the highest quality.” In addition to performing over 200 procedures per year, Dr. Raytis helps oversee quality assurance in the department.
Dr. Raytis holds a chemistry degree from University of California, Berkeley and a biology degree from Harvard. He attended Keck School of Medicine of USC and continued his training at University of California, Irvine and Huntington Memorial Hospital in Pasadena, California.
As a researcher, Dr. Raytis reaches across disciplinary lines. He partnered with a neurosurgeon in a groundbreaking study that showed how beta-blockers can reduce stress levels, potentially slowing the spread of breast cancer to the brain.


City of Hope Comprehensive Cancer Center, 1500 East Duarte Road

Duarte, CA 91010

  • Raytis J, Yuh B, Lau C, Fong Y, Lew M. Anesthetic implications of robotically assisted surgery with the Da Vinci Xi surgical robot. OJ Anes 2016,6,115-118.
  • Yuh B, Yu X, Raytis J, Lew M, Fong Y, Lau C. Use of a mobile tower-based robot--The initial Xi robot experience in surgical oncology. J Surg Oncol. 2016,115(1),5-7.
  • Choy C, Raytis JL*, Smith DD, Duenas M, Neman J, Jandial R, Lew M. Inhibition of β2-adrenergic receptor reduces triple-negative breast cancer brain metastases: The potential benefit of perioperative β-blockade. Ocol Rep 2016, 35(6):3135-42. (*Co-first author)
  • Raytis J, Lew M. Hyperthermic Intraperitoneal Chemotherapy (HIPEC) and Intraoperative Electrolyte Disturbances—Implications for Anesthetic Management. OJ Anes 2014, 4, 240-43.
In The News
An Expert's Voice
Breakthroughs - Beta Blockers could slow or stop cancer growth

New findings suggest beta-blockers could slow or stop cancer growth