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

  • "Staff friendly. Dr. Chu is very reassuring."
      from Risa 5.0 Stars - (2024-09-14)
  • "Doctor Chu is personable and very knowledgeable, very happy with his care"
      from Ralph 5.0 Stars - (2024-09-14)
  • "Dr Chu is the most outstanding doctor! He is extremely empathetic and professional and is so knowledgeable in his field! He always listens to my concerns during my office appointments and has called me at home when I have concerns outside my appointment times! I can’t praise Dr Chu enough!! Dr Chu and his office staff are exceptional!"
      from Jeanine 5.0 Stars - (2024-08-30)
  • "I have been a patient of Dr Chu’s for over 4 years now. He is a wonderful, kind, knowledgable Physician. He always takes the time to talk to his patients, and is accessible if needed without issue. His staff at New York Blood and Cancer is courteous, friendly and kind as well. It’s very important as a patient and I have the utmost appreciation for the care rendered to me and some of my family members."
      from Desiree 5.0 Stars - (2024-08-30)
  • "Doctor chu and all the staff at ronkonkoma location are great !!"
      from John 5.0 Stars - (2024-08-29)
  • "Another doctors visit that went smoothly from checking in to checking out. There wasn't any delay at any point."
      from Gabriel 5.0 Stars - (2024-08-24)
  • "Very knowledgeable and takes the time to explain all the steps to making a diagnosis. Very compassionate to patients concerns."
      from Bill 5.0 Stars - (2024-08-23)
  • "Service was kind and friendly with little to no wait time."
      from brandy 5.0 Stars - (2024-08-22)
  • "I am very happy with everyone from signing in, to taking my blood also the nurse check all my updates an taking my blood pressure. And of cause I was very happy with my doctor Dr Chu he is very caring and understanding he is the best."
      from Elizabeth 5.0 Stars - (2024-08-17)
  • "Great Dr and staff."
      from Roseanne 5.0 Stars - (2024-08-17)