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Dr. Steven Montana

Medical Oncology & Hematology

Steven Montana, DO is board certified in hematology and medical oncology. He has been a practicing medical hematologist and oncologist on Long Island, NY since 1998.

Dr. Montana received his Bachelor’s degree in Biology from Hofstra University in Hempstead, before attending The New York College of Osteopathic Medicine in Old Westbury, NY where he received his D.O. During this time, he also completed a rotating internship at Saint Clare’s Hospital and Medical Center. Following his internship, Dr. Montana completed his Internal Medical Residency at Saint Vincent’s Hospital and Medical Center and then continued to Stony Brook University for his fellowship where he participated in basic science cancer research studies.

Since then, Dr. Montana has been the co-author of several medical publications. Dr. Montana treats patients at our Port Jefferson and Smithtown offices. Many of his special areas of interest include gastrointestinal cancers, lung cancer, lymphoma, and malignant/nonmalignant hematology.

Credentials:  D.O.
Education & Training
   FACP:    State University of New York at Stony Brook
    Residency:    St. Vincent's Hospital and Medical Center
    Medical School:    New York College of Osteopathic Medicine
    College:    Hofstra University


John T Mather Memorial Hospital
Peconic Bay Medical Center
Southside Hospital
St. Catherine Of Siena Medical Center
St. Charles Hospital

Patient Reviews

  • "Everyone was wonderful"
      from Sheila 5.0 Stars - (2025-01-16)
  • "Followup on prior event: GI Bleed"
      from James 5.0 Stars - (2025-01-14)
  • "Everyone was very nice. Everyone helped me to feel comfortable. Also to help me understand about what was happening to me."
      from Susan 5.0 Stars - (2025-01-04)
  • "Staff and Dr Montana were excellent. . My diagnosis was explained and I left the practice feeling that I was in excellent hands"
      from James 5.0 Stars - (2024-12-31)
  • "Excellent staff and facility!"
      from Diana-Darlene 5.0 Stars - (2024-12-19)
  • "Very well run office. Been to this location many times over the last couple of years. Always problem free."
      from Mark 5.0 Stars - (2024-12-18)
  • "Always treated with care and concern."
      from Vincent 5.0 Stars - (2024-12-13)
  • "From the front desk and the intake tech, to the Nurse Practitioner and the lab tech, everyone was friendly and empathetic and made the situation very upbeat. Dr. Montana was wonderful. Friendly and professional, he also showed great kindness"
      from Ira 5.0 Stars - (2024-12-12)
  • "I saw a doctor Montana in his Smithtown office. He and his staff were wonderful! The office runs so well. Dr Montana explained my situation to me in a clear and straightforward manner. I felt cared for the whole time I was there. It's easy to see that the staff is empathetic as well. Thank you everyone for your kindness!"
      from Tamara 5.0 Stars - (2024-11-30)
  • "Quick, pleasant! Everyone, from reception, to nurses & doctor make it easy."
      from Tracy 5.0 Stars - (2024-11-28)