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.
Great dr
(4 days ago)
Oct-2025
Always professional and a friendly atmosphere.
(4 days ago)
Oct-2025
Great Dr.
Highly recommend him
(5 days ago)
Oct-2025
Best in the business
(6 days ago)
Oct-2025
Very personable and friendly. He listened to what my Husband had to say. He was eager to help him. Dr. Harrington gave him a few suggestions to help his situation.
(6 days ago)
Oct-2025
I had a great appointment
Dr Harrington is very knowledgeable and is very easy to talk to.
(1 week ago)
Oct-2025
Makes you feel at ease and explains everything in terms you can understand.
(1 week ago)
Oct-2025
Dr. Harrington is an excellent Doctor, who shows genuine concern for his patients. He always gives information, and suggestions with a pleasant caring manner!! I leave his appointment feeling confident.
(2 weeks ago)
Oct-2025
The office experience was efficient and patient-oriented from the moment I entered. The nurse was considerate and professional. Dr Harrington is clinically and professionally excellent.
(2 weeks ago)
Oct-2025
Doc Harrington is awesome. I’ve been his patient for 15 years.
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.
Great dr
Always professional and a friendly atmosphere.
Great Dr. Highly recommend him
Best in the business
Very personable and friendly. He listened to what my Husband had to say. He was eager to help him. Dr. Harrington gave him a few suggestions to help his situation.
I had a great appointment Dr Harrington is very knowledgeable and is very easy to talk to.
Makes you feel at ease and explains everything in terms you can understand.
Dr. Harrington is an excellent Doctor, who shows genuine concern for his patients. He always gives information, and suggestions with a pleasant caring manner!! I leave his appointment feeling confident.
The office experience was efficient and patient-oriented from the moment I entered. The nurse was considerate and professional. Dr Harrington is clinically and professionally excellent.
Doc Harrington is awesome. I’ve been his patient for 15 years.