Thomas Gregory Harrington, M.D., a Long Island native, graduated from St. John the Baptist Diocesan High School and received a Bachelor of Science in Biological Sciences from Binghamton University. He received a Doctorate in Medicine from New York Medical College and went on to complete an internship in General Surgery at S.U.N.Y. at Buffalo.
Thomas Gregory Harrington, M.D., a Long Island native, graduated from St. John the Baptist Diocesan High School and received a Bachelor of Science in Biological Sciences from Binghamton University. He received a Doctorate in Medicine from New York Medical College and went on to complete an internship in General Surgery at S.U.N.Y. at Buffalo.
The reviews listed below were collected independently of Advanced Urology Centers of New York (AUCNY) through rater8. Each review represents an authentic and verified patient experience.
Spends time, courteous and smart.
(2 days ago)
Feb-2026
Dr Harrington is extremely thorough, and professional
(3 days ago)
Feb-2026
Great staff. Dr spends time to listen to you and provide feedback on questions
(3 days ago)
Feb-2026
Great doctor
(3 days ago)
Feb-2026
good and friendly doctor
(1 week ago)
Feb-2026
Great Dr patient relationship explains everything so that I understand it and listens to my questions or concerns
(1 week ago)
Feb-2026
Dr. Harrington who not only is an exceptional doctor in his field of study but also has an excellent bedside manner.
(1 week ago)
Feb-2026
I have been seeing DR.HARRINGTON for over 25 years takes the best care of me . Listens to me , explains everything to me . The Best
(1 week ago)
Feb-2026
Very thorough & informative
(1 week ago)
Feb-2026
Friendly staff. Even though there were about 8 patients in the waiting room when I arrived my appointment was still on time. The Dr was thorough and has a great personality/bedside manner.
Thomas Gregory Harrington, M.D., a Long Island native, graduated from St. John the Baptist Diocesan High School and received a Bachelor of Science in Biological Sciences from Binghamton University. He received a Doctorate in Medicine from New York Medical College and went on to complete an internship in General Surgery at S.U.N.Y. at Buffalo. Following a second year of General Surgery at S.U.N.Y. at Stony Brook, he completed his Urology residency at Stony Brook in 1997, during which time he published articles on the subjects of male infertility and urologic trauma.
Dr. Harrington is the Chairman of Urology at St Catherine of Siena Medical Center in Smithtown and has served as Director of the Department of Surgery and also as President of the Medical Staff. He is also on the attending staff at John T. Mather Memorial Hospital and St. Charles Hospital and Rehabilitation Center in Port Jefferson Station, as well as Huntington Hospital. Dr. Harrington is a Diplomate of the American Board of Urology, Fellow of the American College of Surgeons and practices Adult and Pediatric Urology in Smithtown.
Spends time, courteous and smart.
Dr Harrington is extremely thorough, and professional
Great staff. Dr spends time to listen to you and provide feedback on questions
Great doctor
good and friendly doctor
Great Dr patient relationship explains everything so that I understand it and listens to my questions or concerns
Dr. Harrington who not only is an exceptional doctor in his field of study but also has an excellent bedside manner.
I have been seeing DR.HARRINGTON for over 25 years takes the best care of me . Listens to me , explains everything to me . The Best
Very thorough & informative
Friendly staff. Even though there were about 8 patients in the waiting room when I arrived my appointment was still on time. The Dr was thorough and has a great personality/bedside manner.