Dr. John T. Phelan II is a board-certified physician in Internal Medicine, Hematology, and Medical Oncology. He earned his Bachelor of Science in Chemistry from Boston College and his M.D. from the Medical College of Wisconsin. Dr. Phelan completed his Internal Medicine residency at the University of Michigan Medical Center and pursued a fellowship in Hematology/Oncology at the University of Alabama at Birmingham. Prior to joining New York Oncology Hematology, he served as an attending physician at the Lipson Cancer Center at Rochester General Hospital and held an affiliated faculty appointment at Roswell Park Cancer Institute.
Dr. John T. Phelan II is a board-certified physician in Internal Medicine, Hematology, and Medical Oncology. He earned his Bachelor of Science in Chemistry from Boston College and his M.D. from the Medical College of Wisconsin. Dr. Phelan completed his Internal Medicine residency at the University of Michigan Medical Center and pursued a fellowship in Hematology/Oncology at the University of Alabama at Birmingham. Prior to joining New York Oncology Hematology, he served as an attending physician at the Lipson Cancer Center at Rochester General Hospital and held an affiliated faculty appointment at Roswell Park Cancer Institute.
The reviews listed below were collected independently of New York Oncology Hematology through rater8. Each review represents an authentic and verified patient experience.
Dr Phelan has been very thorough and caring. He takes the time to listen and answer any questions I may have.
(6 days ago)
Mar-2026
Dr. Phelan has been my oncologist for many years. He’s processional, compassionate and thorough, always asking the right questions and keeping up with my care.
(1 week ago)
Mar-2026
He knows what my issues are and he cares. Also he maintains a knowledgable and kind staff.
(1 week ago)
Mar-2026
Dr. Phelan was happy to and interested in answering my questions about my diagnosis and test results. He knows his stuff very well.
(1 week ago)
Mar-2026
Dr. Phelan is an excellent Oncologist. He listens to my questions/ concerns and provides helpful answers / explanations. Dr. Phelan has treated me for several years now and has kept me as healthy as possible.
(2 weeks ago)
Mar-2026
He is wonderful.
(1 month ago)
Feb-2026
I am very happy with Dr. Phelan. He listens to your concerns and takes time to answer your questions.
(1 month ago)
Feb-2026
He is the very best and kindest Dr. Explains things in an easy to understand manner.
(1 month ago)
Feb-2026
Dr.Phelan has developed a trusting relationship over the ten years I have been seeing him keeping my blood cancer under control. I value his opinion.
(1 month ago)
Feb-2026
Dr .Phelan’s outstanding medical care has kept my prostate cancer in check for over 13 years. I am so grateful!
(1 month ago)
Feb-2026
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Troy Cancer Center
258 Hoosick Street Suite 201 Troy, NY 12180
Dr. John T. Phelan II is a board-certified physician in Internal Medicine, Hematology, and Medical Oncology. He earned his Bachelor of Science in Chemistry from Boston College and his M.D. from the Medical College of Wisconsin. Dr. Phelan completed his Internal Medicine residency at the University of Michigan Medical Center and pursued a fellowship in Hematology/Oncology at the University of Alabama at Birmingham. Prior to joining New York Oncology Hematology, he served as an attending physician at the Lipson Cancer Center at Rochester General Hospital and held an affiliated faculty appointment at Roswell Park Cancer Institute.
Dr Phelan has been very thorough and caring. He takes the time to listen and answer any questions I may have.
Dr. Phelan has been my oncologist for many years. He’s processional, compassionate and thorough, always asking the right questions and keeping up with my care.
He knows what my issues are and he cares. Also he maintains a knowledgable and kind staff.
Dr. Phelan was happy to and interested in answering my questions about my diagnosis and test results. He knows his stuff very well.
Dr. Phelan is an excellent Oncologist. He listens to my questions/ concerns and provides helpful answers / explanations. Dr. Phelan has treated me for several years now and has kept me as healthy as possible.
He is wonderful.
I am very happy with Dr. Phelan. He listens to your concerns and takes time to answer your questions.
He is the very best and kindest Dr. Explains things in an easy to understand manner.
Dr.Phelan has developed a trusting relationship over the ten years I have been seeing him keeping my blood cancer under control. I value his opinion.
Dr .Phelan’s outstanding medical care has kept my prostate cancer in check for over 13 years. I am so grateful!