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Dr. Reuven Grossman

Radiation Oncology

Reuven Grossman, MD is board certified radiation oncologist with a broad range of clinical experience. Dr. Grossman graduated from the University of Maryland School of Medicine. He performed his residency in Radiation Oncology at New York Presbyterian Hospital where he served as chief resident. He then served as an attending physician and Clinical Assistant Professor at Westchester Medical Center/New York Medical College. Prior to joining NYCBS, he practiced at a community based radiation oncology center for several years. Dr. Grossman focuses on providing compassionate, personalized care; getting to know each patient as an individual while guiding them through the course of radiation treatment.

Credentials:  MD
Education & Training
   FACP:    Westchester Medical Center/New York Medical College
    Residency:    New York Presbyterian Hospital
    Medical School:    University of Maryland School of Medicine


Flushing Hospital Medical Center
The Brooklyn Hospital Center

Patient Reviews

  • "Dr. Rueven Grossman Was my radiation doctor who over seen my treatment. His sincerity when treating me was beyond special care he's very professional with a genuine concern and care for your whole treatment. He take time to really explain the process to you and he will pick up the phone when you call him I have experience that ..I truly I'm grateful the he is part of my team. I see him on a yearly bases now. I truly truly appreciate the care that I got during my treatment and my after care. He truly is a gem"
      from Connie 5.0 Stars - (2025-08-29)
  • "It was a great experience Dr. Grossman explained everything to me step by step.💪🏿💪🏿💪🏿"
      from Cedric 5.0 Stars - (2025-08-26)
  • "The reception is very good. They're so pleasant and caring, I sometimes forgot the reason for my visit."
      from Claudette 5.0 Stars - (2025-08-15)
  • "To say that I’m a happy camper would be an understatement. I sincerely appreciate Dr Grossman and the staff of NY Cancer & Blood 🩸 Specialists for the treatment that I received at their facility. And a special thanks to newly retired Dr. Tolia, I wish him all the best… Wayne Samuel"
      from Wayne 5.0 Stars - (2025-07-16)
  • "The reception staff members are pleasant and cordial. The radiology technicians are courteous.and respectful. Their care and concern for my comfort during treatment is reassuring. The doctor is concerned about my well-being and how I am responding to treatment. He meets with me weekly and is through in answers questions and concerns."
      from Angela 5.0 Stars - (2025-06-05)
  • "My father Julio Abreu said, you’re a great doctor and is very happy to have you as his doctor."
      from Marcos 5.0 Stars - (2025-03-27)
  • "Thanks to Dr. Reuben Grossman, Dr. Jason Naziri and the entire Radiology Team at New York Cancer& Blood Specialists. My sincere appreciation to all the therapists who treated me daily especially BRENDA and LARISSA. It was always so amazing to see how competent, polite and caring the team was. They are true professionals who are inherently kind and are clearly committed to caring for their patients. Thank you so much for all that you do to enhance so many lives each day ! JP"
      from June 5.0 Stars - (2025-02-13)
  • "I was treated with respect and all my questions was answered in a timely manner. The workers are mannerism is very polite and professional. I would highly recommend all my family and friends if they have a need to go there. May God bless you always."
      from Joan 5.0 Stars - (2025-01-24)
  • "The Doctors and the Staff are awesome!"
      from Donna 5.0 Stars - (2025-01-05)
  • "I just can't say enough how much I appreciate doctor Grossman and staff they take such good care of me."
      from Maria 5.0 Stars - (2024-12-26)