For more information on our recent data notice, please click here


Specialties
- Radiation Oncology
- CancerGastrointestinal Cancers, Neurological Oncology
Appointment Information
About Daniel R. Simpson, MD
Daniel R. Simpson, MD, is a radiation oncologist who specializes in treating cancer of the liver, gastrointestinal tract and central nervous system (the brain and spinal cord). Dr. Simpson uses carefully targeted, high doses of radiation energy to destroy or damage cancer cells. He is experienced in intensity-modulated radiation therapy (IMRT), image-guided radiation therapy (IGRT), stereotactic radiosurgery (SRS) and stereotactic body radiotherapy (SBRT).
Dr. Simpson also manages the care and treatment of cancer patients and works closely with other doctors, including medical and surgical oncologists, to provide comprehensive care.
As an assistant professor in the Department of Radiation Medicine and Applied Sciences at UC San Diego School of Medicine, Dr. Simpson instructs medical students and residents. His research interests include novel imaging techniques, immunotherapy, image-guided radiotherapy and adaptive radiotherapy.
He has co-authored many peer-reviewed articles, abstracts and book chapters, and his work has been published in journals such as the Journal of the National Cancer Institute, Oral Oncology, and International Journal of Radiation Oncology Biology Physics, among others. Dr. Simpson also serves as reviewer for numerous medical journals.
During his medical training, Dr. Simpson completed his internship in internal medicine at Huntington Memorial Hospital in Pasadena, California, and his radiation oncology residency at UC San Diego School of Medicine. He earned his medical degree from UC San Diego School of Medicine and obtained a master of advanced studies in clinical research from the School of Graduate Studies.
Outside of work, Dr. Simpson enjoys spending time outdoors in San Diego. He can often be found at dog beach with his son or playing golf in Coronado.
UC San Diego Health Links
For more information on hemophilia and bleeding disorders, see Hemophilia Treatment Center.
For more information on cancer treatment, see Liver Cancer Care and Cancer Services.
Medical Degree
- UC San Diego, School of Medicine, San Diego, CA
Internship
- Huntington Memorial Hospital, Pasadena, CA
Residency
- UC San Diego, School of Medicine, San Diego, CA
Gender
- Male
Date Joined Staff
- 2015-06-03
Conditions and Treatments
- Image-Guided Radiation Therapy (IGRT)
- Stereotactic Body Radiation Therapy (SBRT)
- Stereotactic Radiosurgery (SRS)
- Brain Tumors
- Intensity-Modulated Radiation Therapy (IMRT)
- Central Nervous System Cancer
- Gastrointestinal Cancer
- Proton Therapy
- Liver Cancer
Videos
San Diego's only Comprehensive Cancer Center
News
Cancer Care as Unique as You
Choose UC San Diego Health for truly personalized cancer care at San Diego's only Comprehensive Cancer Center.