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

  • "Dr. Chu is a wonderful, caring and extremely competent doctor. Very happy to have found him."
      from Gina 5.0 Stars - (2025-01-16)
  • "Excellent care from Dr. Chu. He’s smart, attentive and very caring. The office staff is always friendly and kind."
      from Scott 5.0 Stars - (2025-01-15)
  • "Dr. Chu is the Best! So compassionate, truly cares. Not only the best Dr. I have been to but a caring human being who only wants best for you!!"
      from Catherine 5.0 Stars - (2025-01-14)
  • "Very professional well staffed office -took me in right away for my infusion -I was very apprehensive but staff were reassuring and Dr Chu was wonderful I did agree to go back for my second infusion -lol Best experience Blessings Jane Testa MD"
      from Jane 5.0 Stars - (2025-01-11)
  • "Have been a paitent of NYCBS for many years. Can say they are an amazing group."
      from Joe 5.0 Stars - (2025-01-10)
  • "Dr. Chu is phenomenal One of the few that I have worked with that talks to me like a person and spends the time to make sure I understand. Dr. Chu and all of the staff have been amazing."
      from Michele 5.0 Stars - (2025-01-09)
  • "Dr chu Great"
      from Ralph 5.0 Stars - (2025-01-03)
  • "Dr. Chu is the best and he takes his time to explain everything. He also takes the time to ask about personal things you might have discussed at a previous visits. It’s a nice personal touch."
      from Steven 5.0 Stars - (2024-12-25)
  • "Dr.Chu and his assistants are awesome! The office staff and Lab attendants are friendly and competent and the facility is spotless!!!"
      from Denise 5.0 Stars - (2024-12-20)
  • "This facility and staff are absolutely amazing ~ this was my first time here and I was extremely impressed with how professional and kind the entire staff was."
      from Stephanie 5.0 Stars - (2024-12-18)