Dr. Nataliya Mar is a UCI Health physician who specializes in hematology-oncology.

Nataliya Mar, MD



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  • American Board of Internal Medicine, Internal Medicine - General
  • American Board of Internal Medicine, Medical Oncology [Internal Medicine]
  • English
Medical School
SUNY Downstate Medical Center
Lenox Hill HospitalInternal Medicine
University of Connecticut School of MedicineHematology/Oncology
Professional Positions
  • Assistant Professor — Division of Hematology/Oncology, Department of Medicine, UC Irvine School of Medicine
Awards and Recognition
  • Physicians of Excellence, Orange County Medical Association – 2021
More Information

Dr. Nataliya Mar is UC Irvine medical oncologist who specializes in hematology and medical oncology. Her clinical and research special interests include genitourinary malignancies including prostate, bladder, renal, and testicular cancer.

Mar received her medical degree from SUNY Downstate Medical Center in New York City, N.Y. where she also completed a residency in internal medicine at Lenox Hill Hospital. Mar then completed a fellowship in Hematology/Oncology at University of Connecticut Health Center, Farmington, Conn.

In addition to delivering patient care, Mar is involved in the design and execution of clinical trials at the UC Irvine National Cancer Institute-designated Comprehensive Cancer Center. She has published several articles in peer-reviewed journals related to her work.

UCI Health Chao Family Comprehensive Cancer Center
101 The City Drive South, Building 23
Orange, CA 92868
Phone: 714-456-8000
Fax: 855-211-3729