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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 is friendly, concerned, helpful and professional. Dr. Montana is excellent he makes me feel comfortable and takes the time out to answer my questions and any concerns I may have. I highly recommend Dr. Montana and his staff. Sincerely, Charles Glover"
      from Charles 5.0 Stars - (2024-10-12)
  • "Very professional people. I was seen promptly. All my questions were answered clearly."
      from morris 5.0 Stars - (2024-10-03)
  • "Dr. Montana explained everything and made me very calm."
      from Thomas 5.0 Stars - (2024-09-28)
  • "Im extremely happy with the care that i receive at the Port Jeff facility. The Dr’s and staff are caring and knowledgable. Thank you"
      from Ralph 5.0 Stars - (2024-09-19)
  • "Had my first visit with Dr. Montana a couple of weeks ago. Very kind, wanted to know my medical history. Wasn't rushed at all. Very thorough."
      from Michael 5.0 Stars - (2024-09-17)
  • "Dr Montana is very thorough and great to deal with as are all of the team that I have met."
      from Bob 5.0 Stars - (2024-09-17)
  • "Doctor montana is the best"
      from Michael 5.0 Stars - (2024-09-12)
  • "Fantastic."
      from Gamble 5.0 Stars - (2024-08-11)
  • "Well, l am being told that l have a fever, but l am only registering a fever with AION Temp Shield…when l take my own temperature with a manual thermometer l am nowhere near a fever. So l am Questioning the need for taking antibiotics at this point. And, l am requesting a replacement of the AION TempShield…it is not functioning properly. Tim Murphy"
      from Timothy 2.0 Stars - (2024-08-10)
  • "The staff was pleasant and efficient. All were respectful. My experience with Dr Montana and Sandy, the NP was very productive. My only negative thought which, I believe, has become the norm is my total time spent at the office. It seems to be a regular occurrence at most medical offices and there appears to be little chance to improve it. That is not a criticism of your office but simply an observation of what you and we as patients must endure."
      from richard 5.0 Stars - (2024-08-08)