OUR PHYSICIANS
Dr. Stewart is a board-certified radiation oncologist, practicing medicine for more than 20 years. She earned her medical degree from Midwestern University. Upon graduation, she completed an internship at Midwestern University Arizona GME Consortium and Phoenix Memorial. She then went on the study radiation oncology at William Beaumont Hospital, Royal Oak, Michigan. Since then, she has dedicated herself to the care of a variety of adult malignancies. Dr. Stewart has been featured in the Inside M.D. Coastal Bend magazine and was awarded 2021 Women Leaders in Medicine by the Bexar County Medical Society. Dr. Stewart is married and has a son. Her interests include spending time with family, baking, travel, and interior design.
MARTIN FUSS, MD
BOARD CERTIFIED RADIATION ONCOLOGIST
Dr. Fuss graduated from medical school at the University of Heidelberg, Germany where he also obtained his doctorate degree in human imaging assessing blood flow changes in the brain after radiation therapy using functional MRI techniques (DCE-MRI). He underwent his specialty training in radiation oncology at the University of Heidelberg and at the German Cancer Research Center (dkfz). During his residency, he was invited as a research fellow at the Proton Radiation Therapy facility at Loma Linda University Medical Center in Loma Linda, CA. From 2000 to 2006 he was a faculty member at The University of Texas Health Science Center at San Antonio, San Antonio, TX (UTHSCSA). Prior to moving into private practice, he was Professor and Vice Chair of the Department of Radiation Medicine at Oregon Health & Science University (OHSU) in Portland, OR from 2006-2013. Dr. Fuss served as Chief Medical Officer for ViewRay, Inc. from 2017 to 2023.