Dr. O’Reilly treats all aspects of adult urology. His special interests include minimally invasive surgery, including robotic surgery, the management, and treatment of stone disease, and urinary incontinence in men and women. He also performs the UroLift procedure for the treatment of BPH/enlarged prostate.

Dr. O’Reilly has been practicing urology since 2001. He served in the U.S. Army for 15 years from 1991 until 2006, when he joined Carroll Hospital Center in Westminster, Maryland as an attending urologist. He joined Chesapeake Urology in January 2013.

During his tenure in the U.S. Army, Dr. O’Reilly was a Lieutenant Colonel and was Chief, Urology Service, and Program Director, Urology Residency at Madigan Army Medical Center in Tacoma, Washington. In addition, Dr. O’Reilly also served as Medical Director, Madigan Urology Clinical Research Center and as an assistant professor of surgery at the Uniformed Services University of the Health Sciences in Bethesda, MD.

Earlier in his military career, Dr. O’Reilly was an attending urologist and assistant residency program director at Tripler Army Medical Center in Honolulu, Hawaii, and prior to that, he was the general medical officer at Camp Stanley, Korea, and the officer-in-charge at Camp Stanley Troop Medical Clinic. Dr. O’Reilly was awarded the Army Commendation Medal, which is awarded to individuals for heroism, meritorious achievement or meritorious service, and the prestigious Expert Field Medical Badge, earned by only 15 percent of Army medical personnel.

He has been an investigator in numerous research studies and has published articles in multiple medical journals.

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Education and Achievements

Lafayette College, B.A.
New York Medical College, M.D.
Madigan Army Medical Center, General Surgery Internship
Madigan Army Medical Center, General Surgery Residency
Madigan Army Medical Center, Urology Residency
Virginia Mason Medical Center, Fellowship in Renal Transplantation and General Urology
Honors & Awards
Army Commendation Medal, Expert Field Medical Badge
American Board of Urology
Fellow of the American College of Surgeons

Office Locations


410 Malcolm Drive, Suite A, Westminster, MD 21157, United States

“If there is a urology hall of fame, Dr. O’Reilly should have the biggest photo on the wall. I am really impressed with his knowledge, ability, empathy, and communication skill.”

“I have been wanting to say thank you for so long!! I saw Dr. O'reilly several years ago. Between myself, my kids and when I was a medical director in a women's program I have been around a...” Read full testimonial

“Dr. O'Reilly was very thorough in explaning everything and I did not feel rushed at all. A very positive experience.”

“Dr. O’Reilly is always very patient and fully explains my options. He gives me his full attention when he is with me. He is fully prepared to explain in plain language the results of any...” Read full testimonial

“The world needs more like doctors like Dr. O'Reilly.”



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