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.
Dr. Harrington was great from beginning to the end. He gave a clear explanation of what to expect and what to look for in the future.
(3 days ago)
Dec-2025
Above all else, Dr. Harrington is just a wonderful person!
(3 days ago)
Dec-2025
Very satisfied with Dr. Harrington. I would highly recommend him.
(3 days ago)
Dec-2025
Dr Harrington is a wonderful doctor. Great bedside manner, caring and takes the time to listen and doesn’t rush.
(4 days ago)
Dec-2025
Always a good experience
(4 days ago)
Dec-2025
Knowledgeable, caring and very professional
(1 week ago)
Dec-2025
Dr. Harrington was very pleasant and professional. He took his time asking about my history and I never felt rushed. I left feeling very confidant to be in under his care.
(1 week ago)
Dec-2025
Proud to have Dr Harrington as my Urologist . Man of integrity
(1 week ago)
Dec-2025
Dr Harrington makes you feel comfortable right away and has excellent bedside manner. Very nice staff.
(1 week ago)
Dec-2025
Some of the office personnel could improve on their communication skills/attitude, but both Dr. Harrington and Diana, his PA, have been knowledgeable and supportive
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.
Dr. Harrington was great from beginning to the end. He gave a clear explanation of what to expect and what to look for in the future.
Above all else, Dr. Harrington is just a wonderful person!
Very satisfied with Dr. Harrington. I would highly recommend him.
Dr Harrington is a wonderful doctor. Great bedside manner, caring and takes the time to listen and doesn’t rush.
Always a good experience
Knowledgeable, caring and very professional
Dr. Harrington was very pleasant and professional. He took his time asking about my history and I never felt rushed. I left feeling very confidant to be in under his care.
Proud to have Dr Harrington as my Urologist . Man of integrity
Dr Harrington makes you feel comfortable right away and has excellent bedside manner. Very nice staff.
Some of the office personnel could improve on their communication skills/attitude, but both Dr. Harrington and Diana, his PA, have been knowledgeable and supportive