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Sara H. Kim,

M.D.

Radiation Oncologist

Biography photo
Location
City of Hope South Pasadena
209 Fair Oaks Avenue
South Pasadena, CA 91030
Specialties
Radiation Oncology
Education
Medical school:

University of Alabama School of Medicine, Birmingham, Alabama

Residency:

Radiation Oncology, University of Southern California, Los Angeles, CA

Academic Appointments
  • Assistant Clinical Professor, Department of Radiation Oncology
About Me

For Sara H. Kim, M.D., becoming a doctor was more than a career choice — it was a calling inspired by her father, who also worked as a radiation oncologist. Today, she brings more than 20 years of experience caring for people with cancer in the local community, offering patients thoughtful, expert care with kindness and compassion. She believes in listening closely, explaining clearly and empowering patients in health care decisions. 

Dr. Kim earned her medical degree from the University of Alabama School of Medicine in Birmingham. She completed an internal medicine internship at West Los Angeles Veterans Affairs Medical Center, followed by a residency in radiation oncology at the University of Southern California. 

Her clinical expertise includes a wide range of advanced radiation therapies, including 3D conformal treatment planning, intensity-modulated radiation therapy, volumetric-modulated arc therapy, image-guided radiotherapy, brachytherapy and stereotactic radiosurgery for metastatic brain and spine tumors. She is also experienced with the Varian TrueBeam system. 

Prior to joining City of Hope®, Dr. Kim served as medical director of radiation oncology at Adventist Health Glendale, where she was honored with the Physician Hero of the Year Award, chosen by patients. She has been named one of Pasadena Magazine’s “Top Doctors” for 13 years in a row and is a member and former co-president of the Korean-American Society of Therapeutic Radiation Oncology.

Patient reviews
The patient ratings and comments on this page are obtained from an external Press Ganey® outpatient survey provided to all eligible City of Hope patients within one to two weeks of their treatment occurrence. Raw data from the answers to the survey questions about our physicians are calculated by Press Ganey into a one- to five- star rating. In the spirit of transparency, all patient comments are posted as written by the patient, whether they are positive or negative. We only exclude comments if they are deemed to be slanderous or libelous, contain profanity or vulgar language, or do not relate to the patient's experience with the doctor involved. As a result, the comments are the views and opinions of the patients surveyed and are not endorsed by, and may not necessarily reflect the opinion of, City of Hope.
Nov 18, 2025
5.0
"Dr.Kim and all the staff are EXCELLENT. The facility is very clean and well maintained"
Nov 18, 2025
5.0
"Very Professional,knows what's going on with your case,always ready to discuss relevant to my health issues,very accommodating"
Oct 10, 2025
5.0
"Good"
Oct 10, 2025
5.0
"Good experience"
Oct 8, 2025
4.7
"I was surprised at how thorough Doctor Kim was in explaining to me what my course of treatment would be and how important it would be."
Oct 2, 2025
5.0
"Dr Sara Kim is very kind. She had shown her care and compassion to her patient. She answered all the questions that I presented to her."