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David C. Khan, MD

Radiation Oncology


Dr. David C. Khan is a board Certified Radiation Oncologist and Assistant Clinical Professor at UCLA. He is the Medical Director at the 21st Century Oncology of California practice in El Segundo. His clinical interests include Intensity Modulated Radiotherapy (IMRT), Stereotactic Body Radiotherapy (SBRT), Stereotactic RadioSurgery (SRS) and High Dose Rate (HDR) Brachytherapy for breast malignancies.

Dr. Khan received his medical degree from Oregon Health Sciences University and was the recipient of the postsophomore fellowship in anatomic pathology. He then completed his internship and residency at New York University.

In addition to his busy clinical practice, Dr. Khan has extensive clinical research and has numerous publications on cancer care disparity, prostate cancer and breast cancer. In recognition of his superior clinical acumen and compassionate bedside manner, Dr. Khan has been selected as one of the Best Doctors in America since 2008.

Additional Practice Locations
21st Century Oncology of California
860 Parkview Drive North
El Segundo, California 90245




Medical Board Certification

Radiation Oncology, American Board of Radiology, 1999


New York University Medical Center, 1998
New York University Medical Center, 1997


New York University Medical Center, 1995


Oregon Health Sciences University School of Med, MD, 1994

Hospital Affiliations

UCLA Santa Monica Medical Center

Areas of Focus

Prostate cancer
Breast cancer


  • Top Doctors, Los Angeles Magazine, 2021
  • Super Doctors® Southern California, 2018
  • Best Doctors, 2018