Back to Provider List

Geoffrey Gaunay, M.D.

Dr. Gaunay received his undergraduate degree from the University of Delaware, and medical degree from Jefferson Medical College where he also met his wife who is from the area and now a colorectal surgeon in Lancaster. 

His residency training was conducted at Mount Sinai Beth Israel Medical Center in New York City. He obtained further subspecialty training with a prestigious fellowship at the Smith Institute for Urology within the Northwell Health System in Long Island New York where he had the opportunity to work with respected leaders in the field of minimally invasive urology.

Clinical expertise was gained in the fields of endourology (complex and minimally invasive stone and urothelial cancer management) and laparoscopy/robotic surgical techniques.

Dr. Gaunay has contributed to the advancement of urologic knowledge with multiple publications, videos, book chapters, and has been a presenter, along with world renowned experts, for hands on courses aimed at teaching advanced endoscopic techniques to urologists. He has had the opportunity to present research at national and international conferences including the World Congress of Endourology in Cape Town, South Africa.

While originally from South Jersey, Dr. Gaunay has recently relocated to the Lancaster area to raise his son and be closer to family. He enjoys traveling, cooking, reading, and staying active. 

Satellite Offices

Ephrata Office
Lebanon Office


Undergraduate degree in biological sciences from University of Delaware

Medical degree from Jefferson Medical College

Residency at Mount Sinai Beth Israel Medical Center

Fellowship in Endourology/Minimally Invasive Urology at the Smith Institute for Urology


Robotic & Laparoscopic Surgery

Kidney Stone Surgical & Preventative Treatment

BPH & Voiding Dysfunction

General Urology

Awards & Recognition

Board Eligible Urologist

Phi Beta Kappa Honor Society

Alpha Omega Alpha

Other Involvements and Memberships

American Urological Association

Society of Endourology