Potomac Valley Orthopaedic Associates
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Medical Team
Charles Mess, M.D
Sheldon Mandel, M.D.
Kevin McMahon, M.D.
Denis O'Brien, M.D.
Daniel Tang, M.D.
Mohit Bhatnagar, M.D.
Bruce Knolmayer, M.D.
Sanjog Mathur, M.D.
Ira Gelb, M.D.
Navinder Sethi, M.D.
Charles Mess, Jr., M.D.
George Yeh, M.D.
Ricardo Cook, M.D.
Douglas Murphy, M.D.
Rebecca Aronson, D.O.
Ronald Swaim, PA-C
Michael Ronan, PA-C
Richard Bizjak, PA-C
John Greco, PA-C
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Denis O'Brien, M.D.

Dr. Denis O'Brien is board certified. He received his M.D. from Georgetown University Medical School in 1984 and completed his orthopaedic residency there in 1988. Following a tour in the Navy, he joined the practice in 1992. Dr. O'Brien practices General Orthopaedic Surgery, including Sports Medicine, Arthroscopy and Total Joint Replacement.

Site Last Updated: 26-Mar-08
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