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Boryana Eastman,

M.D., Ph.D.

Radiation Oncologist

4.9 (162 Ratings)
Biography photo
Location
City of Hope Antelope Valley
44151 15th Street West
Lancaster, CA 93534
Specialties
Radiation Oncology
Education
Medical school:

M.D., University of California, San Diego, La Jolla, CA

Residency:

Radiation Oncology - University of Washington, Seattle, WA

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

Boryana Eastman, MD, PhD, views caring for her patients at City of Hope® Antelope Valley as a collaborative process, guiding them through their treatment choices, helping them determine the path that best fits their needs and offering support throughout the journey. In her role of radiation oncologist, she finds great fulfillment in listening to and spending time with her patients while bringing deep expertise in a wide range of advanced radiation techniques. 

Fluent in Bulgarian, Dr. Eastman earned her PhD in biomedical sciences at the University of California, San Diego, where her research focused on breast cancer metastasis. She went on to complete her medical training at the same institution, followed by an internship in internal medicine. During her radiation oncology residency at the University of Washington in Seattle, she developed a strong interest in managing cancers that spread to the brain. Her clinical work emphasizes not only treating cancer but also preserving quality of life. 

Outside of medicine, Dr. Eastman enjoys hiking, camping and traveling.

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.
Jul 23, 2026
4.9
"Excellent care and concern for my care. Thank you."
Jul 17, 2026
5.0
"Dr. Eastman took as much time as I needed to explain all the side effects from radiation treatment and offered excellent advice as to what I could do to ease the pain from the side effects. Because I required dental extractions prior to my treatment, Dr. Eastman was very pro-active by reaching out to my periodontist to discuss my condition and coordinate the timing of my care. Her pro-active coordination with my other health care providers and pharmacy gave me a great deal of reassurance and peace of mind. She afforded all my other health care providers, even ones that not affiliated with the City of Hope, the opportunity to provide input to my treatment."
Jun 26, 2026
5.0
"Dr. Eastman is caring and really listens. She takes patient care personally and I feel she takes her patient's progress to heart."
Jun 25, 2026
5.0
"Everything was going nice and smooth during this appointment"
Jun 21, 2026
5.0
"Very good."
Jun 21, 2026
5.0
"I'm very lucky to have Dr Eastman working on my behalf."
Jun 21, 2026
5.0
"Dr Eastman is wonderful !"
Jun 17, 2026
5.0
"I explain everything very easily about my results and upcoming exams"
Jun 11, 2026
5.0
"I really like how Dr. Eastman explains."
Jun 9, 2026
5.0
"Overall good"
Jun 9, 2026
5.0
"City of Hope provides excellent care"
Jun 9, 2026
5.0
"I recommend it to other people, the staff is very knowledgeable. Very good service."
Jun 9, 2026
5.0
"The doctor explained it very well and I could understand everything she told me! Through the interpreter."
May 18, 2026
5.0
"Dr. Eastman has been extremely helpful and caring for the last five years of my treatment and follow-up. I would recommend her to everyone."
Apr 22, 2026
5.0
"For sure #1all the way!!!"
Apr 17, 2026
5.0
"I'm very happy"
Apr 17, 2026
5.0
"I really love my doctor. She's great"
Apr 6, 2026
5.0
"My appointment was for a follow-up visit."
Mar 16, 2026
5.0
"The team assembled for my care and treatment is top notch. They spoke to me about on what issues, treatments, and pre & post op preparations and after care. Everything is thoroughly explained to me. Thank you. [...]"
Feb 20, 2026
5.0
"Highly recommend City of Hope"
Feb 20, 2026
5.0
"So grateful for Dr Eastman and the care team at City of Hope. Responsive to all inquiries and supportive to patient needs."
Feb 9, 2026
5.0
"Always a pleasure to speak with Dr Eastman"
Feb 7, 2026
5.0
"I recommend it"
Feb 7, 2026
5.0
"My entire experience has been excellent"
Feb 5, 2026
5.0
"Dr. Eastman did an excellent job of discussing the specifics of my situation. Her knowledge, experience, and ability to explain things clearly were very evident and appreciated. She presented treatment options very thoroughly."
Feb 5, 2026
5.0
"Dr. Eastman never rushed me and always explained everything completely."
Feb 3, 2026
5.0
"I feel the Care"
Jan 28, 2026
5.0
"Dr. Eastman was wonderful!"
Jan 21, 2026
5.0
"Dr. Eastman is always informative, caring, patient and professional."
Jan 14, 2026
5.0
"Dr. Boryana Eastman is perfection. As is the rest of the doctors I've had the pleasure to be assigned to. You should be proud they are with The City of Hope."
Jan 14, 2026
5.0
"I've already singing my praises to my friends and colleagues about the City of Hope."
Jan 14, 2026
5.0
"All good"
Jan 9, 2026
5.0
"Dr. Eastman is super."
Jan 9, 2026
5.0
"Everyone gets a 5. All great, and welcoming."
Jan 8, 2026
5.0
"I have to come here every 3 weeks for the past 9 or so years. I have been very happy"
Jan 8, 2026
5.0
"Dr. Eastman is wonderful very easy to talk to"
Jan 5, 2026
5.0
"Thank you. Very good."
Dec 19, 2025
5.0
"Very professional, I feel very safe, because she helps me and answers my questions."
Dec 18, 2025
5.0
"I wish she was.my primary care provider, she.is terriffic"
Dec 9, 2025
4.9
"Professional and good listener. Extremely pleasant and knowledgeable."
Dec 5, 2025
5.0
"Good"
Dec 5, 2025
5.0
"Good"
Oct 8, 2025
5.0
"Quickly set in motion testing needed, getting approvals, etc"
Oct 8, 2025
5.0
"I'll have the best team moving forward with medical support. Explained the urgency thoroughly to myself & my daughter with great compassion"
Oct 8, 2025
5.0
"Dr. Eastman is very thorough, empathetic, listens to me, answers all questions I might have, made sure I knew what my treatment options were and what side effects to expect if I chose radiation. She's a wonderful doctor and person."
Oct 3, 2025
5.0
"Very impressed with experience and options"
Oct 2, 2025
5.0
"I am very happy with the work that you do at the city of hope keep up the good work."
Oct 2, 2025
5.0
"Dr. Eastman is an excellent doctor and I appreciate all the information she gives me."