Medical Oncology & Hematology
Dr. Cyriac earned his medical degree from Georgetown University. He completed internship and residency training in Internal Medicine at Georgetown University Hospital followed by Hematology and Oncology Fellowship at New York University. He is board certified in both medical oncology and hematology.
Throughout his training Dr. Cyriac has been involved in research directed toward bringing new, more effective treatments to patients. He is a co-author of several peer-reviewed publications. He has worked at the National Institutes of Health performing drug discovery research and his is a co-owner of a US patent on several investigational drugs. During his fellowship, Dr. Cyriac was involved in clinical trials research developing better lung cancer treatments using immunotherapy.
His clinical practice spans the entire spectrum of oncologic and hematologic disorders. He has particular expertise in lung, prostate, and colorectal cancers, lymphoma and benign hematology. Dr. Cyriac has worked exhaustively throughout his medical career to provide the highest quality care and making sure his patients are heard. He is dedicated to applying cutting-edge cancer therapies, specifically immunotherapy and targeted therapy, and tailoring treatment to each individual aiming for the best possible outcome.
| Eastern Long Island Hospital |
| Good Samaritan Medical Center |
| John T Mather Memorial Hospital |
| Peconic Bay Medical Center |
| Southampton Hospital |
| Southside Hospital |
| St. Catherine Of Siena Medical Center |
| St. Charles Hospital |
| University Hospital at Stony Brook |
Patient Reviews
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"Nice office and great staff. Short wait. Dr Cyriac is wonderful. He took his time to listen to my concerns, and went over treatment options. He even researched medications I asked him about. Made me feel really comfortable. Highly recommend."
from S 5.0 Stars - (2025-03-29) -
"Very kind commmunicative visit. I always feel well cared for when I come for my soooontments"
from Suzi 5.0 Stars - (2025-03-25) -
"Everyone was so nice, as usual…especially the woman who drew blood. I think her name is Wendy. And the doctors and PAs are wonderful. Thank you!"
from gina 5.0 Stars - (2025-03-20) -
"Delightful visit with caring doctor!"
from Pamela 5.0 Stars - (2025-03-16) -
"Dr C was amazing so compassionate. The office staff was also amazing!"
from Regina 5.0 Stars - (2025-03-13) -
"I did not see Dr Cyriac (which is always a pleasure) I did see his PA (I do not recall her name) who was very pleasant and gave me all the info I needed and answers I needed. She was a pleasure to deal with.
Everyone in that office in Smithtown is always very friendly and kind. Five stars from me!"
from michele 5.0 Stars - (2025-03-05) -
"Dr. Cyriac is kind and gentle. I have been a patient for years. All of the medical and support team are beyond courteous and attentive. The office is immaculate and welcoming. Highly recommend this office and Dr C!"
from Leigh 5.0 Stars - (2025-03-05) -
"Dr Cyriac is very caring and easy to talk to. He seems very thorough.
The office is clean and efficient."
from Mary 5.0 Stars - (2025-03-05) -
"Very professional and friendly and informative."
from Dianne 5.0 Stars - (2025-02-19) -
"I've been cmg to this office, for about a yr now each visit I've been welcomed by someone different. And each time I've received smiling and caring faces, that attends to the need. Thank you"
from Sharon 5.0 Stars - (2025-02-06)