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.
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 days 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 days ago)
Jun-2026
O
(1 week ago)
May-2026
Very friendly, arrived on time, and delivered quality work.
(1 month ago)
May-2026
Very patient and clear explanations
(1 month ago)
May-2026
Listens well and is very informative.
(1 month ago)
May-2026
Very interesting
(1 month ago)
Apr-2026
I had a great experience with the procedure performed by Dr. McMahon and RN Amy. Both made me at ease with their skill and professional manner. I am glad that they are on my team.
(1 month ago)
Apr-2026
VERY KNOWLEDGEABLE AND CONCERNED WITH PIAENT.
(1 month ago)
Apr-2026
Dr. McMahon is truly an expert on bladder cancer and has performed many successful surgeries. He explains the diagnosis and develops a treatment plan. He cuts to the chase.
(1 month ago)
Apr-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
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
Very friendly, arrived on time, and delivered quality work.
Very patient and clear explanations
Listens well and is very informative.
Very interesting
I had a great experience with the procedure performed by Dr. McMahon and RN Amy. Both made me at ease with their skill and professional manner. I am glad that they are on my team.
VERY KNOWLEDGEABLE AND CONCERNED WITH PIAENT.
Dr. McMahon is truly an expert on bladder cancer and has performed many successful surgeries. He explains the diagnosis and develops a treatment plan. He cuts to the chase.