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.
| John T Mather Memorial Hospital |
| Peconic Bay Medical Center |
| Southside Hospital |
| St. Catherine Of Siena Medical Center |
| St. Charles Hospital |
Patient Reviews
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"I love Dr Montana. He tells you what you need to hear"
from Dana 4.0 Stars - (2025-05-06) -
"Dr Montana and staff are always a pleasure to see the best"
from Thomas 5.0 Stars - (2025-05-04) -
"Dr Montana and the staff at the Port Jefferson location were excellent. They took the time to listen to my concerns, completed more blood work and scheduled additional appointments as a follow up."
from Tanice 5.0 Stars - (2025-05-02) -
"Dr. Montana and all the nurses are fantastic."
from Kevin 5.0 Stars - (2025-04-26) -
"Very professional, knowledgeable and caring"
from kathleen 5.0 Stars - (2025-04-25) -
"I must say that from the reception, to the person taking my history, to Dr. Montana himself, my experience has been very pleasant, thorough, informative, and for this patient, validation."
from Ira 5.0 Stars - (2025-04-24) -
"The moment I walked in I was the focus of the people at the admission desk. During this visit I saw the NP and she was very knowledgeable and forthcoming. The people there are always very personable incentive. When I left they made all my appointments for my next visit in six months. What a great team! I can't say enough good things about them! I feel very comfortable there."
from ellis 5.0 Stars - (2025-04-10) -
"Always efficient and helpful."
from Frank 5.0 Stars - (2025-04-10) -
"He is brilliant, empathetic and make me feel cared for. ...He is persistent in advocating for his patients, straightforward. He is heaven send. I am so grateful that I found a doctor with such a dedication and love for what he does."
from Nirma 5.0 Stars - (2025-04-05) -
"After MANY months of searching for answers, Dr. Montana gave us HOPE. Amazing staff....amazing bed side manner and EXTREMELY knowledgeable!! Dr. Montana is an answer to prayer!!!"
from Annemarie 5.0 Stars - (2025-04-01)