Medical Oncology & Hematology

Dr. Chu is board-certified in Internal Medicine, Hematology, and Oncology.

After receiving his BS in Biology from Cornell University, Dr. Chu went on to receive his MD at St. George’s University. He did his internship and residency training at Stony Brook University Hospital. He completed his fellowship training at Stony Brook University Hospital and was named Chief Fellow during his last year.

Dr. Chu has faculty appointment of Clinical Instructor and was elected to the Stony Brook Hospital medical board.

He is Chief of the Department of Hematology and Oncology at Mather Hospital and St. Charles Hospital. At Mather Hospital, he serves as Chairman of the Cancer Committee and Chairman of the Breast Program Leadership Committee.

He is the Associate Chief of the Clinical Research Department at New York Cancer Specialists.

Additionally, Dr. Chu is the Program Director of Mather Memorial Hospital's Internal Medicine Residency Division of Hematology-Oncology. He is also the Assistant Program Director of the Mather Memorial Hospital Fellowship Program.

Dr. Chu is a member of the Anticoagulation Committee for Catholic Health Services.

He has co-authored dozens of publications relating to oncology and hematology and has presented his findings at numerous national conferences.

D. Chu has most recently been re-appointed as Assistant Professor in the Department of Medicine, for the School of Medicine at Hofstra/Northwell.

His interests include lung cancer, lymphomas, and targeted biologic therapeutic agents. Dr. Chu has been proudly recognized as a Top Doctor by Castle Connolly.

Credentials:  M.D.
Education & Training
   FACP:    State University of New York at Stony Brook
   Residency:    State University of New York at Stony Brook
   Medical School:    St. George's University School of Medicine
   College:    Cornell University


Patient Reviews

  • "I've been seeing Dr. Chu for 14 years. He's kind, caring and a friend to me."
      from Diane 5.0 Stars - (2024-11-19)
  • "Very friendly , punctual and knowledgeable!!!!"
      from 1JUSTGOTLUCKY1 5.0 Stars - (2024-11-19)
  • "Dr. Chu’s office is run with excellence . The staff is Kind and courteous, the Dr and PA are informative and answered any questions I had."
      from JoAnne 5.0 Stars - (2024-11-14)
  • "I was greeted with a smile and friendly face. My lab draws were impeccable and my appointment with Dr. Chu was through and reviewed all previous labs for stability of my blood levels."
      from Barbara 5.0 Stars - (2024-11-13)
  • "Dr. Chu has been my doctor for over 5 years. He is the best. He’s not only my doctor he’s a great friend! He doesn’t treat you like a patient. He treats you like family. He’s a gift from God. Love this man!!!!!"
      from Leslie 5.0 Stars - (2024-11-09)
  • "Absolutely fantastic. So informative, so personable."
      from Michael 5.0 Stars - (2024-11-05)
  • "Dr Chu was fantastic! Warm and personable. One of the better Dr experiences I’ve had in a while"
      from kristen 5.0 Stars - (2024-11-02)
  • "My husband is very satisfied with the care he gets. With gratitude to the staff as well as the medical team."
      from eglalny 5.0 Stars - (2024-10-30)
  • "Dr. Chu is an incredibly warm and knowledgeable Dr. The entire staff is so warm and friendly. All of my questions are always answered and I leave feeling so blessed and reassured. Thank you again for caring so much about your patients!"
      from Bruce 5.0 Stars - (2024-10-30)
  • "Very helpful, happy and funny doctor! Never rushed me and listened carefully when I wasn’t feeling well."
      from Ashley 5.0 Stars - (2024-10-24)