Dr Yeung

Vincent W. Yeung, M.D., serves as director of Flushing Radiation Oncology Services and brings over 30 years of experience and expertise as a board certified radiation oncologist. His experiences in clinical leadership roles have included director and attending physician of several radiation oncology facilities in the New York City area.

Alan Katz, M.D., obtained his B.A. from Yale University and M.D. from New York University. He served as Acting Chair at the Albert Einstein School of Medicine's Department of Radiation Oncology from 1991 to 1992, and as Director of Radiation Oncology at the Winthrop Hospital from 1993 to 2010. As a world-renowned expert in Cyberknife treatment, Dr. Katz has taught physicians to use the CyberKnife System in India, the U.S., Taiwan, Korea, and Thailand. He has treated over 650 prostate patients with CyberKnife and has multiple publications on his results. Click here for Dr. Katz's most recent peer review studies.

Dr. Katz recently presented his five year outcomes for Cyberknife prostate cancer treatment at ASTRO, showing excellent results for prostate cancer of all grades. Learn more about Dr. Alan Katz and his experience with Cyberknife treatment for prostate cancer.

Elisa J. Wu, M.D., is a board certified radiation oncologist specializing in the treatment of adult cancers, including breast cancer, Hodgkin’s and Non-Hodgkin’s lymphomas, and cancers of the prostate, brain, gastrointestinal tract, lung, as well as a variety of other malignancies. Her clinical expertise involves the use of sophisticated technology and advanced treatment planning to deliver precise radiation therapy, optimizing the outcome for each patient while minimizing side effects.

Dr. Wu received her medical degree from the Boston University School of Medicine. She was formerly an attending physician at Memorial Sloan-Kettering Cancer Center, a world-renowned facility where she had also completed her residency and fellowship. She is multilingual, being fluent in English, Mandarin Chinese, and Taiwanese. Dr. Wu brings state-of-the-art cancer care to patients in our community.

Isaiah Friedman, M.D., a board certified radiation oncologist, completed his undergraduate studies at Yeshiva University, graduating summa cum laude with a B.A. in philosophy. He earned his medical degree at the University of Pennsylvania School of Medicine, where he was awarded a full-tuition academic scholarship as a Gamble Scholar. Dr. Friedman completed his residency in Radiation Oncology at the Mount Sinai Medical Center in New York City, where he also served as Chief Resident.

Dr. Friedman's published research has focused on late toxicities of radiation therapy, and he has been invited to present his findings at national medical conferences. He has special expertise in intensity-modulated and image-guided radiation therapy (IMRT/IGRT), stereotactic brain and body radiation therapy (SRS and SBRT), and high dose rate (HDR) brachytherapy. He is an active member of the American Society for Radiation Oncology.



August 28, 2013

June 1, 2013

FROS attending physicians, Alan Katz and Josephine Kang, to give an oral presentation at this year's ASTRO meeting on long term outcomes after stereotactic body radiation therapy (SBRT) for prostate cancer.


The Redefining Radiosurgery Video gives definitive clinical, hospital and patient benefits as compared to other radiation therapy and systems.



Flushing: 40-22 Main St, 4th Fl,
Flushing, NY 11354
Brooklyn: 1737 Bath Ave
Brooklyn, NY 11214
Manhattan: 47 Essex St.
New York, NY 10002


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