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.
The Doctor was very knowledgeable and I will tell everyone who needs a great urologist;
Sep-2025
Doc Mahon took the time to compassionately take an emotionally charged complex issue and put me at ease while pointing out viable options.
Sep-2025
I left without a understanding of my situation I was in there for less than 10 minutes
Aug-2025
Dr McMahon is courteous, extremely knowledgeable, compassionate, and an excellent surgeon
Aug-2025
Very thorough just like Dr. Ahn
Aug-2025
Dr McMahon was great.
Jul-2025
Very competent and proportionate in following an issue. Also a nice guy.
Jul-2025
Super
Jun-2025
Pleasant and knowledgeable
Jun-2025
Awesome
Jun-2025
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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
The Doctor was very knowledgeable and I will tell everyone who needs a great urologist;
Doc Mahon took the time to compassionately take an emotionally charged complex issue and put me at ease while pointing out viable options.
I left without a understanding of my situation I was in there for less than 10 minutes
Dr McMahon is courteous, extremely knowledgeable, compassionate, and an excellent surgeon
Very thorough just like Dr. Ahn
Dr McMahon was great.
Very competent and proportionate in following an issue. Also a nice guy.
Super
Pleasant and knowledgeable
Awesome