Medical Oncology & Hematology

Rita Weiss, MD, Ph. D is a board certified hematologist-oncologist who earned her Bachelor’s Degree from Brooklyn College and her Medical Degree from University of Monterrey-receiving first place academic honors. In addition, she earned her Doctorate of Philosophy from New York University. After receiving her medical degree, Dr. Weiss completed both her Internship and Residency at Nassau Hospital in Mineola, NY. Upon completion of her Residency, Dr. Weiss completed her Fellowship in Neoplastic Diseases at Mount Sinai Medical Center, with the last year engaged in clinical research for the American Cancer Society. Prior to her employment with New York Cancer & Blood Specialists, Dr. Weiss served on the IPA Board at North Shore University Hospital. Dr. Weiss has had numerous academic appointments, being a clinical instructor at Cornell University Medical College, an assistant professor at New York University, and a clinical assistant professor at New York College of Osteopathic Medicine. Dr. Weiss was previously Chairman and Director in the Department of Hematology/Oncology at St. Francis Hospital, an investigator for Cancer and Leukemia Group B, and a participant for Community Clinical Oncology Program at North Shore University. Dr. Weiss is currently a member of the American Society of Clinical Oncology.

Credentials:  M.D. , PhD
Education & Training
   Residency:    Nassau Hospital
   Medical School:    University of Monterrey
   PHD:    New York University
   College:    Brooklyn College

North Shore University Hospital - Manhasset
St. Francis Hospital

Patient Reviews

  • "My husband Stephen has been a patient of Dr Rita Weiss since May, 2022. Her care has been successful. Dr Weiss and her entire staff are caring and always able to attend to his needs both during his chemotherapy and since the end of his treatment. We are very grateful for their attention, professionalism and kindness. The office is very well run and we never wait long for his appointment"
      from Maureen 5.0 Stars - (2024-03-28)
  • "A nightmare"
      from Laurel 1.0 Stars - (2024-02-15)
  • "I was treated very well made me feel a little less nervous.Doctor and staff was extremely nice and helpful"
      from Dorene 5.0 Stars - (2024-01-19)
  • "Dr Weiss is very personable she makes you feel comfortable n you could feel she cares about the best treatment for you for me she was right on with the treatment I received"
      from Robert 5.0 Stars - (2024-01-16)
  • "Always a pleasure to see dr Weiss and all the other professionals"
      from Mona 5.0 Stars - (2024-01-05)
  • "Dr Weiss is a great and professional Dr she explains things to you at your level and always makes me feel comfortable her staff is all so nice and sweet always smiling and offer to help you in any way they can."
      from Kenneth 5.0 Stars - (2023-12-28)
  • "I’ve been seeing Dr Weiss for over 20 years. She is amazing and takes as much time going over things as needed, never rushed."
      from Jill 5.0 Stars - (2023-12-21)
  • "I recently saw Dr. Weiss after not seeing her for a while (an error on my part), and I was very happy after the appointment. She greeted me a smile and was kind and thorough as I remembered from the very first time I met her. She’s an excellent Doctor who I am glad to have met. The Front Desk Staff and the Medical Assistants were helpful and courteous too."
      from Pamela 5.0 Stars - (2023-12-16)
  • "Dr. Weiss is very helpful very knowledgeable and very caring. She has played a vital role helping me recover from a stroke."
      from David 5.0 Stars - (2023-12-14)
  • "The best Dr ever thank you for all the time you stood by me and Took a good care of me thanks 🙏"
      from Housni 5.0 Stars - (2023-12-12)