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Headshot of Dr. David Chu MD
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4.9
598 Patient Reviews


Languages: English

Dr. David Chu

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:  MD
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


  • Locations
  • Hospitals
Port Jefferson Medical Oncology 1500 Route 112, Building 1, Port Jefferson Station, NY 11776 631-751-3000
Port Jefferson Station Medical Oncology 49 Route 347, Port Jefferson Station, NY 11776 631-751-3000
Ronkonkoma Medical Oncology 501 Hawkins Avenue, Lake Ronkonkoma, NY 11779 631-751-3000
Smithtown Medical Oncology (Terry Rd) 119 Terry Road, Smithtown, NY 11787 631-751-3000
Eastern Long Island Hospital
John T Mather Memorial Hospital
Long Island Community Hospital
Peconic Bay Medical Center
St. Catherine Of Siena Medical Center
St. Charles Hospital
University Hospital at Stony Brook

Patient Reviews

  • "I love this clinic as they are so friendly and welcoming to me. I look forward to my visits with them."
      from Joshua 5.0 Stars - (2025-09-04)
  • "Very efficient"
      from Sherry 5.0 Stars - (2025-09-03)
  • "Excellent experience. Dr chu is so wonderful. Took the time to answer any question. Very polite. The staff is wonderful, caring and kind"
      from Debbie 5.0 Stars - (2025-08-30)
  • "I like dr chu because he is a great person and very friendly and he cares about me and everyone else and my mom went to him and he took good care of my mom. I wil continue to go to him"
      from Barbara 5.0 Stars - (2025-08-28)
  • "Dr. Chu is the best"
      from Jeep 5.0 Stars - (2025-08-26)
  • "Excellent staff!"
      from Theresa 5.0 Stars - (2025-08-23)
  • "He's an awsome doctor"
      from Mary 5.0 Stars - (2025-08-23)
  • "No complaints everyone staff, and doctors all respectable and courteous."
      from Loretta 5.0 Stars - (2025-08-08)
  • "Staff is very pleasant. I am very satisfied with Dr Chu. He is informative and thorough"
      from Paula 5.0 Stars - (2025-07-31)
  • "The staff and Doctors are extremely friendly and accommodating, which immediately puts one at ease. I highly recommend this practice to anyone who is interested."
      from Robert 5.0 Stars - (2025-07-28)

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