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

  • "Dr. Rita Weiss, is the best doctor I have ever known. She understands and cares and answers all your questions and keeps everybody alive. Nancy."
      from Nancy 5.0 Stars - (2024-07-05)
  • "Very kind. Patient. Professional. They listen and offer suggestions for a healthy life. I feel very confident in there care."
      from Karen 5.0 Stars - (2024-06-20)
  • "Very professional and knowledgeable"
      from Lisette 5.0 Stars - (2024-05-16)
  • "During my visit to the office, Dr. Rita Weiss displayed such warmth and genuine care, as she always does. She attentively listened to all my concerns, making me feel truly understood and at ease. Her dedication was evident as she spent ample time with me, addressing my questions with patience and compassion. Moreover, the staff members were exceptional, from the welcoming front desk team to the skilled lab technicians and attentive nurses. Their positive attitude and professionalism made my experience even more pleasant and reassuring."
      from Robert 5.0 Stars - (2024-05-02)
  • "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)