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.
Exceptional Dr
(1 week ago)
Apr-2026
I’ve been going to Dr.Phalen now for a while and every appointment I feel leave feeling better about what’s going on
(2 weeks ago)
Apr-2026
Dr Phelan has been very thorough and caring. He takes the time to listen and answer any questions I may have.
(3 weeks 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 month ago)
Mar-2026
He knows what my issues are and he cares. Also he maintains a knowledgable and kind staff.
(1 month 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 month 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.
(1 month 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.
(2 months ago)
Feb-2026
He is the very best and kindest Dr. Explains things in an easy to understand manner.
(2 months 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.
Exceptional Dr
I’ve been going to Dr.Phalen now for a while and every appointment I feel leave feeling better about what’s going on
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.