Provider Spotlight: Dr. Jonathan Klein Offers Patients the Insight of an Active Leader in Cancer Care Research

Jonathan Klein, MD, MSc, radiation oncologist, has joined the team at Maimonides Health. Not only is he a physician, but he brings a wealth of experience as a cancer researcher to the health system.

“I am proud to be associated with Maimonides’ role as a healthcare destination for the whole Brooklyn community with all its culture, diversity and varied experiences.” said Dr. Klein.

“Providing excellent care to all our patients based requires staying up to date on the latest medical research. I want my patients to have access to the latest innovations, and I also want to anticipate those that are still on the horizon. But playing an active role in research is equally as important to me. I want to make every effort to improve the care that we provide to patients.” he said.

A History in Cancer Care Excellence

Prior to joining the Maimonides team, Dr. Klein was an attending radiation oncologist at Montefiore Medical Center for 5 years as well as an assistant professor in the Department of Radiation Oncology at Albert Einstein College of Medicine and affiliate associate professor of clinical medicine at the City University of New York (CUNY) School of Medicine.

Dr. Klein earned his M.D. at the Schulich School of Medicine & Dentistry at University of Western Ontario in London, Ontario, Canada. From there, he completed his residency in radiation oncology at Princess Margaret Hospital and the University of Toronto.

Subsequently, he completed a joint clinical and research fellowship in breast radiation oncology at the Odette Cancer Centre in Toronto while concurrently earning his Master of Science (M.Sc.) in the Department of Medical Biophysics at University of Toronto. During this time, Dr. Klein also completed the Clinician-Investigator Program offered by Royal College of Physicians and Surgeons of Canada, a nationwide program to develop the next generation of clinician researchers.

At the Front Line of Breakthroughs in Cancer Care

Dr. Klein is actively involved in cancer research, including numerous studies on radiotherapy technology.

While working at Einstein, Dr. Klein spearheaded research studies investigating how well patients transitioned to telehealth services during the COVID-19 pandemic and the effects of financial hardships encountered by cancer patients on both quality of life and survival after treatment. He is hoping to continue this research at Maimonides to improve cancer care for the Brooklyn community. Other research interests include the role of tumor infiltrating lymphocytes, or white blood cells, in predicting survival and guiding treatment decisions for cancer patients.

Dr. Klein has published his research widely and has presented his results at major medical conferences including meetings of the American Society of Radiation Oncology, Canadian Association of Radiation Oncology, and American Society of Clinical Oncology. He is an active member of the American Society for Radiation Oncology (ASTRO), American College of Radiology (ACR), Canadian Association of Radiation Oncology (CARO), and The Radiosurgery Society (RSS). He also regularly delivers educational lectures to residents in the SUNY Downstate Radiation Oncology residency program to ensure that the next generation of physicians is well-versed in the latest research findings.

“I’ve made it a point to stay on top of the latest research in cancer care, and also to actively lead and participate in it,” Dr. Klein said. “This enables me to give my patients the very latest insights that can help them overcome their illness and achieve the best survival and quality of life outcomes possible.”

Patients may schedule an appointment with Dr. Klein online or by phone at (718) 765-2700.

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