Dr. Arash Rezazadeh, UCI Health hematology oncologist

Arash Rezazadeh Kalebasty, MD



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  • American Board of Internal Medicine, Hospice & Palliative Medicine [Family Medicine]
  • American Board of Internal Medicine, Medical Oncology [Internal Medicine]
  • English
  • Farsi
  • Spanish
Medical School
Shahid Beheshti University of Medical Sciences
University of LouisvilleInternal Medicine
University of LouisvilleMedical Oncology and Hematology
More Information

Dr. Arash Rezazadeh is a board-certified UCI Health medical oncologist. His clinical interests  include immunotherapy and targeted therapies for cancers of the prostate, bladder, kidney and testes.

Rezazadeh earned his medical degree at Shahid Beheshti University of Medical Sciences in Tehran, Iran. He completed a residency in internal medicine and a fellowship in medical oncology and hematology at Kentucky’s University of Louisville School of Medicine.

He has served as principal investigator in numerous clinical trials in genitourinary field. Some of these trials have led to the approval of novel first-in-class cancer therapies.

His research work has been presented at national and international cancer conferences and he has published several research papers in his field.

Rezazadeh sees patients at UCI Health Chao Family Comprehensive Cancer Center in Orange.