Dr. Gregory C. McMahon, D.O. specializes in treating cancers of the genitourinary tract and is skilled in both robotic and open surgery as well as ablative technologies for prostate cancer. His practice focuses on treating complex malignancies such as prostate, kidney, bladder, adrenal, testis, and penile cancer. He is also well versed in treating benign conditions such as ureteral strictures and benign prostatic hyperplasia (BPH).
Dr. Gregory C. McMahon, D.O. specializes in treating cancers of the genitourinary tract and is skilled in both robotic and open surgery as well as ablative technologies for prostate cancer. His practice focuses on treating complex malignancies such as prostate, kidney, bladder, adrenal, testis, and penile cancer. He is also well versed in treating benign conditions such as ureteral strictures and benign prostatic hyperplasia (BPH).
The reviews listed below were collected independently of MidLantic Urology through rater8. Each review represents an authentic and verified patient experience.
Excellent doctor. Very caring and easy to talk with.
(2 weeks ago)
Jun-2026
Very very nice !
(3 weeks ago)
Jun-2026
Excellent
(3 weeks ago)
Jun-2026
Good listener; clinically knowledgeable and skilled; answered all questions.
(3 weeks ago)
Jun-2026
Kind, professional, knowledgeable
(3 weeks ago)
Jun-2026
It’s nice feeling that your doctor has your best interest for you. Utmost respect for what he has done and what he will do in the future.
(3 weeks ago)
Jun-2026
Dr. McMahon was clear and concise regarding my condition and course of treatment. He answered questions that I posed to him.
(3 weeks ago)
Jun-2026
O
(1 month ago)
May-2026
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Broomall
1974 Sproul Road Suite 106 Broomall, PA 19008
Wynnewood
100 Lancaster Ave Medical Office Building - East, Suite 361 Wynnewood, PA 19096
Dr. Gregory C. McMahon, D.O. specializes in treating cancers of the genitourinary tract and is skilled in both robotic and open surgery as well as ablative technologies for prostate cancer. His practice focuses on treating complex malignancies such as prostate, kidney, bladder, adrenal, testis, and penile cancer. He is also well versed in treating benign conditions such as ureteral strictures and benign prostatic hyperplasia (BPH). He takes pride in providing every patient and their families with exceptional care and support.
Dr. McMahon is an experienced surgeon completing a urologic oncology fellowship at Yale University after completing his residency training at Rowan University/Jefferson Health where he served as the chief resident in his final year. Throughout his career he has published and presented at numerous academic conferences nationwide.
In his free time Dr. McMahon enjoys spending time with his family in the community he serves.
AREAS OF EXPERTISE –Prostate Cancer, retzius sparing prostatectomy –Bladder Cancer –Kidney Cancer –Adrenal Cancer –Ureteral Strictures –Robotic Surgery
UNDERGRADUATE EDUCATION Springfield College, MA
GRADUATE EDUCATION National Institutes of Health, MD
MEDICAL DEGREE Philadelphia College of Osteopathic Medicine, PA
RESIDENCY Rowan University / Jefferson Health, NJ
FELLOWSHIP Urologic Oncology at Yale University, CT
Still doctor and staff all “5’s”
Quick and easy visit
Excellent doctor. Very caring and easy to talk with.
Very very nice !
Excellent
Good listener; clinically knowledgeable and skilled; answered all questions.
Kind, professional, knowledgeable
It’s nice feeling that your doctor has your best interest for you. Utmost respect for what he has done and what he will do in the future.
Dr. McMahon was clear and concise regarding my condition and course of treatment. He answered questions that I posed to him.
O