Dr. Geoffrey Gaunay is a physician with Keystone Urology, a Division of MidLantic Urology. He received his undergraduate degree from the University of Delaware and his medical degree from Jefferson Medical College. While there, he also met his wife, who is from Lancaster and is now a practicing colon and rectal surgeon in the area.

His comprehensive residency training was conducted at Mount Sinai Beth Israel Medical Center in New York City. Following his clinical interests, Dr. Gaunay then obtained further subspecialty fellowship training at the prestigious Smith Institute for Urology within the Northwell Health System in Long Island, New York. There, he had the opportunity to work with many respected leaders in the field of minimally invasive urology. Dr. Gaunay gained expertise in the fields of endourology (complex and minimally invasive stone, benign prostatic hypertrophy (BPH) and urothelial cancer management), as well as laparoscopy / robotic surgical techniques.

Dr. Gaunay has contributed to the advancement of urologic knowledge with multiple publications, videos, and book chapters, and he 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 (WCE) in Cape Town, South Africa. He is a member of both the American Urological Association (AUA) and the Society of Endourology. He is a board certified member of the American Board of Urology (ABU).

Dr. Gaunay’s practice is proud to offer minimally invasive therapies for a wide range of urologic disorders, aimed at both the correction of the underlying disorder and returning the patient to their normal level of function.

Dr. Gaunay is originally from South Jersey, though he is very fond of his new home of Lancaster. He enjoys traveling, cooking, reading, and spending time with his wife and son.