Dr. Mahmoudieh has been with the El Portal department of Radiation Oncology since 2008. Previously, he served at Kaiser Permanente in Sacramento and Roseville as the Director of the Prostate Brachytherapy Program.
He received his medical degree from the Albert Szent Gyorgi School of Medicine in Szegad, Hungary in 1996. He has a special interest in the treatment of Head and Neck and Breast cancer.
He specializes in the use of Image Guided Radiation Therapy (IGRT) and Intensity Modulated Radiation Therapy (IMRT) in the treatment of head and Neck, Lung and Gastrointestinal/Genitourinary cancers and is highly experienced in the treatment of Prostate cancer.
Dr. Mahmoudieh is a member of the American Society for Therapeutic Radiology and Oncology (ASTRO).
He enjoys reading and playing racquetball. He also loves skiing and camping with his son and daughter.
Dr. Elhanafy is the Chief of Medical Physics at El Portal since 2013. Dr. Elhanafy has a Ph.D. degree in medical physics from Mansoura University, Egypt (2001). He joined University of Wisconsin Madison in 1999 to complete his Ph.D. thesis and his fundamentals training.
Expertise and special training
• Radiation oncology including
– IMRT,
– HDR & LDR brachytherapy,
– SRS,
– TBI,
– Quality Assurance and Radiobiology, as well.
Dr. Elhanafy has published valuable research papers and received awards/certificates related to his extraordinary contributions for organizing conferences, conducting training courses, lectures and workshops.
His research interest areas include the intensity modulated radiation therapy (IMRT), High Dose Rate Brachytherapy (HDR), volumetric arc therapy (VMAT) and Quality assurance (QA) for both patients and Machines.
Compassion is the wish to see others free from suffering. – Dalai Lama
The information provided on this website is informational only and is not intended to be a substitute for a thorough discussion or diagnosis with your doctor.
OFFICE HOURS:
Monday-Friday: 9am to 5pm or by appointment
3303 M Street, Merced CA 95348
El Portal Comprehensive Cancer Centers © 2026 All Rights Reserved.
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