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.
Md and staff were very informative
(1 week ago)
May-2026
Awesome, so personable and professional.
(1 week ago)
May-2026
I think he is great. He is thorough, listens to you and spent time with me going over my concerns.
(2 weeks ago)
May-2026
Dr Harrington is a special Dr. and human being. I've always left the office reassured that I was listened to, taken seriously, and with some humor
(2 weeks ago)
Apr-2026
Dr Harrington is an outstanding physician. Explanations are clear, questions are addressed and counsel is easy to understand. I highly recommend him!
(2 weeks ago)
Apr-2026
Very easy to speak with.
(3 weeks ago)
Apr-2026
Just a fabulous doctor. Diagnosed my prostate cancer so early the treatment was a breeze and I have lasting effects. Visits are on time with little or no wait, which is great.
(3 weeks ago)
Apr-2026
Knowledgeable , explains everything so you can understand and answers all your questions
(1 month ago)
Apr-2026
Made you feel very comfortable and explained everything to me
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.
Md and staff were very informative
Awesome, so personable and professional.
I think he is great. He is thorough, listens to you and spent time with me going over my concerns.
Dr Harrington is a special Dr. and human being. I've always left the office reassured that I was listened to, taken seriously, and with some humor
Dr Harrington is an outstanding physician. Explanations are clear, questions are addressed and counsel is easy to understand. I highly recommend him!
Very easy to speak with.
Just a fabulous doctor. Diagnosed my prostate cancer so early the treatment was a breeze and I have lasting effects. Visits are on time with little or no wait, which is great.
Knowledgeable , explains everything so you can understand and answers all your questions
Made you feel very comfortable and explained everything to me
Very Happy with my visit today