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 was very pleased with my last visit to NYCBS Smithtown. Every staff member, technician and associate were welcoming and performed their tasks expediently as well as professionally making for a comfortable and informative experience."
      from Thomas 5.0 Stars - (2024-05-16)
  • "Over the top best care with Dr David Chu and the entire staff. I have recommended him to family neighbors and friends who are very happy ! Immaculate office. Short wait time. Everything is explained in detail. Overall the best"
      from Bernadette 5.0 Stars - (2024-05-14)
  • "The check in and greet team was very quick and professional, the wait to triage was the same and I had a shorter wait to see the PA who took the time to access me and answered all of my questions and concerns. Thank You"
      from PATRICIA 5.0 Stars - (2024-05-14)
  • "Love Dr Chu. He takes his time to explain everything and answers all my questions"
      from Carol 5.0 Stars - (2024-05-14)
  • "The office is clean, the staff are friendly, and Dr Chu and is team are amazing. I’m cancer free now because of them. Highly recommend them."
      from John 5.0 Stars - (2024-05-11)
  • "Extremely friendly and professional staff!"
      from Gary 5.0 Stars - (2024-05-11)
  • "Dr. Chu has a wonderful bedside manner. Very caring and attentive to his patients’ needs & well-being."
      from Lena 5.0 Stars - (2024-05-09)
  • "The office was amazing and very professional, Dr.Chu was a very caring and passionate on my concerns. Thank you for caring and making me feel at ease."
      from Debbie 5.0 Stars - (2024-05-08)
  • "excellent staff and care"
      from Kara 5.0 Stars - (2024-05-08)
  • "Always a good experience with NYCB"
      from Louis 5.0 Stars - (2024-05-05)