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.
Dr Mc Mahon was outstanding. Very compassionate and professional. Loved his bedside manner. Made me feel very comfortable with the complete procedure. Thank you Dr McMahon.👍
(2 weeks ago)
Jul-2026
Dr. McMahon is a very kind doctor and he also tells the truth to his patients. I am very grateful for that.
(2 weeks ago)
Jul-2026
He was awesome!
(3 weeks ago)
Jul-2026
Knowledgeable, and personable. Dr. McMahon always takes time to listen to questions and provide answers. Excellent practitioner.
(3 weeks ago)
Jul-2026
He made me fill very comfortable I like him very good doctor!
(1 month 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 month 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 month ago)
Jul-2026
❤️
(1 month ago)
Jul-2026
Very professional!
(1 month 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
Knowledgeable and professional.
Dr Mc Mahon was outstanding. Very compassionate and professional. Loved his bedside manner. Made me feel very comfortable with the complete procedure. Thank you Dr McMahon.👍
Dr. McMahon is a very kind doctor and he also tells the truth to his patients. I am very grateful for that.
He was awesome!
Knowledgeable, and personable. Dr. McMahon always takes time to listen to questions and provide answers. Excellent practitioner.
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!