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License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).


Our records indicate this doctor is a student.

Learn more about Dr. Brendan O'Brien:

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Specialties & Research

  • He has special expertise in 3 areas:
  • Hip Osteoarthritis
  • Knee Osteoarthritis
  • Osteoarthritis (Hand and Wrist)

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Additional Information
Dr. Brendan O'Brien MD is a male Orthopaedic Surgeon and practices in Orthopaedic Surgery.
Where does Dr. Brendan O'Brien practice?
Dr. Brendan O'Brien has 1 office location.
Dr. Brendan O'Brien practices Orthopaedic Surgery near Bethesda, MD.
See Bethesda Orthopedic Surgeons.