Address: 7970 Dungan Rd #80, Philadelphia, PA 19111, USA
Address: 6715 Little River Turnpike #300, Annandale, VA 22003, USA
“Dr. O'Brien is absolutely wonderful. As vital organs go, the heart is right up there at the top of the list. If you have a problem, you want only the best care. I feel confident that's what I'm getting with Dr. O'Brien and his staff. He's great at explaining procedures and test results. He also listens and is happy to answer questions and address a patient's fears. This is a small practice where every patient feels special.”
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