DANIEL SCHIFFNER, M.D.

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Dr. Daniel Schiffner is a Board Certified Radiation Oncologist practicing at the Palo Alto Medical Foundation in the San Francisco Bay Area.
He has broad clinical experience in treating cancers of the prostate, breast, lung, central nervous system, gastrointestinal system, gynecologic
system, and head and neck region. Dr. Schiffner has developed expertise in many of the most advanced technologies in the field of radiation oncology,
including intensity-modulated radiation therapy (IMRT), RapidArc volumetric modulated arc radiotherapy (VMAT), image-guided radiation therapy (IGRT),
stereotactic radiosurgery (SRS), stereotactic body radiotherapy (SBRT), high-dose- rate (HDR) brachytherapy, and permanent seed prostate brachytherapy.

Dr. Schiffner received his undergraduate education in biology, chemistry, and genetics at Duke University, where he graduated Summa Cum Laude and
with Departmental Distinction. He attended medical school at the University of California, San Francisco, where he was awarded the Roy W. Howard
Fellowship in Radiation Oncology. He completed an internship in internal medicine at California Pacific Medical Center in San Francisco. He completed
his specialty training as a resident physician in radiation oncology at the University of California, Irvine. As a resident, Dr. Schiffner gained diverse
clinical training at City of Hope National Medical Center, UC Irvine, Long Beach VA Healthcare System, and Long Beach Memorial Medical Center. During
his training, Dr. Schiffner served as Chief Resident and gained expertise in treating the full spectrum of tumors utilizing a wide array of advanced
treatment technologies, including Varian RapidArc, VMAT, IMRT, IGRT, SRS, and SBRT. In addition, he has extensive training under the direct mentorship
of Dr. Nisar Syed and colleagues in the treatment of prostate, breast, and gynecological cancers with HDR brachytherapy. Dr. Schiffner has also received
focused clinical training at the Seattle Prostate Institute in permanent seed prostate brachytherapy and at the University of Pittsburgh in stereotactic
radiosurgery. Dr. Schiffner has produced award-winning research projects throughout his career. His research interests include IGRT, IMRT, SRS, SBRT, RapidArc,
and brachytherapy. In addition to authoring several publications, Dr. Schiffner has presented his original research at regional, national, and
international meetings of the American Society for Radiation Oncology (ASTRO), European Society for Therapeutic Radiology Oncology (ESTRO), American
College of Surgeons (ACS), and American Society of Clinical Oncology (ASCO). For his research achievements, he was awarded the prestigious Roentgen
Research Award by the Radiological Society of North America. He remains involved in clinical research as an investigator for a number of clinical
trials sponsored by the Radiation Therapy Oncology Group (RTOG/NRG). In recognition of his clinical skills and achievements, Dr. Schiffner has been
selected as one of the Best Doctors in America.

Daniel C. Schiffner, M.D.
Board Certified Radiation Oncologist

Palo Alto Medical Foundation
Department of Radiation Oncology
Diplomate, American Board of Radiology
danielschiffner@alumni.ucsf.edu