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Dr. Jin Guo

Medical Oncology & Hematology

Jin Guo, MD, is a hematologist-oncologist committed to patient-centered care. She believes in a holistic approach, considering not only the disease but also the overall well-being of her patients. Dr. Guo prioritizes supporting her patients, their families, and their caregivers.

Dr. Guo received her Doctor of Medicine from the University at Buffalo School of Medicine and Biomedical Sciences. She completed her Hematology/Oncology Fellowship with a Master Clinician Specialization at The University of Texas MD Anderson Cancer Center, renowned for its exceptional cancer care and groundbreaking research. Prior to her fellowship, Dr. Guo served as an Internal Medicine Resident at New York Presbyterian-Weill Cornell Medicine.

Dr. Guo has a special interest in breast cancer, gastrointestinal malignancies, lung cancer and prostate cancer. She strives to provide her patients with the highest quality of cancer care while pushing the boundaries of medical knowledge through active participation in clinical trials. Her compassionate and patient-centered approach ensures that every individual receives the care they deserve, treating them as she would her own family.

Credentials:  MD
Education & Training
   Residency:    New York Presbyterian-Weill Cornell Medicine
    Medical School:    University at Buffalo School of Medicine and Biomedical Sciences
    Fellowships:    The University of Texas MD Anderson Cancer Center


Patient Reviews

  • "Dr Gwo is a sweetheart and extremely thorough. Easy to talk to and compassionate."
      from Joan 5.0 Stars - (2025-10-18)
  • "Great"
      from Raymond 5.0 Stars - (2025-10-15)
  • "Always a pleasure to see the doctor she goes above and beyond I have all my trust in her."
      from John 5.0 Stars - (2025-10-15)
  • "Dr. Guo is amazing in what she does as a provider. Caring & listens to you without judgement."
      from Cathie 5.0 Stars - (2025-10-07)
  • "I have been a patient of the group for many years. I have also worked with the physicians on a professional level. The staff members are kind and considerate. There is rarely a wait and appointments are widespread and convenient. Calls are returned quickly. Staff members and physicians engage in pleasant conversation during the exams. The entire building is kept clean and comfortable. Dr. Guo is a relatively new addition and has a wonderful personality as well as an excellent knowledge base."
      from Olga 5.0 Stars - (2025-10-01)
  • "Dr. Guo is not rushed in caring for me & is very patient in listening. She is very professional & she & her staff is a pleasure to work with."
      from Joseph 5.0 Stars - (2025-09-30)
  • "Desk personal where polite, the RN that took my blood sample was friendly, and Dr Guo was upfront nice person to explain the blood test results that was done at the center, no waiting 2 or 3 days"
      from ronald 5.0 Stars - (2025-09-30)
  • "Staff and care team very efficient and friendly and did most of the hands on treatment. Met with Dr. Guo briefly to see if I had any questions. My issue was not a serious one. I do recommend New York Cancer & Blood specialists in Port Jefferson."
      from Kenneth 5.0 Stars - (2025-09-25)
  • "New patient processing went smoothly, the entire staff was very friendly making the experience enjoyable."
      from Thomas 5.0 Stars - (2025-09-17)
  • "Staff was knowledgeable, friendly and professional."
      from Diana 5.0 Stars - (2025-09-17)