Thomas G. Harrington, MD, FACS

Smithtown South Location
373 Route 111, Ste. 7
Smithtown, NY 11787
Tel:  631-360-7450
Fax: 631-247-0037

Castle Connolly Top Doctors
Thomas G. Harrington, MD, FACS

Thomas G. Harrington, MD, FACS

Smithtown South Location
373 Route 111, Ste. 7
Smithtown, NY 11787
Tel:  631-360-7450
Fax: 631-247-0037

Castle Connolly Top Doctors

Dr. Thomas Harrington is a board-certified urologist specializing in adult and pediatric urology. A Long Island native, he is committed to delivering personalized, comprehensive care to patients across the community.

Dr. Harrington has extensive experience in all aspects of urology, including kidney stone disease, prostate diseases and general urologic care for both adults and children. He has held leadership roles throughout his career, including Chairman of Urology at St. Catherine of Siena Medical Center and Director of the Department of Surgery.

  • Adult urology
  • Pediatric urology
  • Kidney stones
  • Prostate disease
  • General urologic care

  • English

  • B.S., Biological Sciences, Binghamton University
  • M.D., New York Medical College
  • Internship, General Surgery, S.U.N.Y. at Buffalo
  • General Surgery, S.U.N.Y. at Stony Brook
  • Urology Residency, Stony Brook University, 1997

  • American Board of Urology
  • Fellow, American College of Surgeons (FACS)

  • American Urological Association
  • Medical Society of the State of New York

  • Catherine of Siena Medical Center, Smithtown, NY
  • John T. Mather Memorial Hospital, Port Jefferson, NY
  • Charles Hospital and Rehabilitation Center, Port Jefferson Station, NY
  • Huntington Hospital, Huntington, NY

Dr. Harrington has published articles on male infertility and urologic trauma, contributing to the advancement of surgical techniques and patient care in urology.

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