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.
He made me fill very comfortable I like him very good doctor!
(1 week ago)
Jul-2026
He answered all questions— all within 11 mins, including going over test results. Never touched ur examined any part of me. I guess it’s the “new medical practice.” I’d prefer the old time medical practice.
(1 week ago)
Jul-2026
Extremely patient answering questions, kind hearted, very thorough in reviewing imaging and creating a treatment plan. He also was helpful with coordinating care with my other providers.
(1 week ago)
Jul-2026
❤️
(1 week ago)
Jul-2026
Very professional!
(2 weeks ago)
Jun-2026
Very good I’just a little tired. Thank you
(2 weeks ago)
Jun-2026
Very reassuring and professional, Dr. McMahon takes his time with you, explains everything thoroughly, making it easy to understand.
(3 weeks ago)
Jun-2026
Always willing to listen to the patient. Set out the plan and followed it!!
(3 weeks ago)
Jun-2026
Excellent at explaining the diagnosis and treatment great bedside manner.
(3 weeks ago)
Jun-2026
Still doctor and staff all “5’s”
(3 weeks ago)
Jun-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
He made me fill very comfortable I like him very good doctor!
He answered all questions— all within 11 mins, including going over test results. Never touched ur examined any part of me. I guess it’s the “new medical practice.” I’d prefer the old time medical practice.
Extremely patient answering questions, kind hearted, very thorough in reviewing imaging and creating a treatment plan. He also was helpful with coordinating care with my other providers.
❤️
Very professional!
Very good I’just a little tired. Thank you
Very reassuring and professional, Dr. McMahon takes his time with you, explains everything thoroughly, making it easy to understand.
Always willing to listen to the patient. Set out the plan and followed it!!
Excellent at explaining the diagnosis and treatment great bedside manner.
Still doctor and staff all “5’s”