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 developed a trusting relationship over the ten years I have been seeing him keeping my blood cancer under control. I value his opinion.
(1 week 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 week ago)
Feb-2026
He is thorough and explains so you understand
(1 week ago)
Feb-2026
An oncologist who really CARES about his patients and the best way they can be helped. I highly recommend him.
(2 weeks ago)
Feb-2026
Dr. Fallon is very patient very professional very knowledgeable
(2 weeks ago)
Feb-2026
Excellent, he asked many questions, and asked all questions on my health. He set up apt to explain all about my blood work.
(2 weeks ago)
Feb-2026
Excellent care provided
(3 weeks ago)
Jan-2026
Very pleased would recommend family and friends to him
(3 weeks ago)
Jan-2026
Very good Doctor, very thoughtful and honest.
(3 weeks ago)
Jan-2026
Dr Phelan has always shown interest in my health. I find him to be an excellent physician who takes the time to review my chart before I see him. I would definitely refer anyone to him.
(1 month ago)
Jan-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 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!
He is thorough and explains so you understand
An oncologist who really CARES about his patients and the best way they can be helped. I highly recommend him.
Dr. Fallon is very patient very professional very knowledgeable
Excellent, he asked many questions, and asked all questions on my health. He set up apt to explain all about my blood work.
Excellent care provided
Very pleased would recommend family and friends to him
Very good Doctor, very thoughtful and honest.
Dr Phelan has always shown interest in my health. I find him to be an excellent physician who takes the time to review my chart before I see him. I would definitely refer anyone to him.