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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).

Learn more about Dr. Daniel O'Brien:

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Specialties & Research

Dr. Daniel O'Brien, DO, MD is board certified in Emergency Medicine.

Education & Awards

Dr. O'Brien graduated from Midwestern University, Downers Grove.


Dr. O'Brien has 2 hospital affiliations:

  • Bedford Regional Medical Center 
  • Bloomington Hospital Of Orange County 


  • English

> > > > Dr. Daniel O'Brien, DO, MD

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Additional Information
Dr. Daniel P O'Brien DO and MD is a male Emergency Medicine Specialist, has 14 years of experience and practices in Emergency Medicine.
Where does Dr. Daniel P. O'Brien practice?
Dr. Daniel O'Brien has 2 office locations.
Dr. Daniel O'Brien practices Emergency Medicine near Paoli, IN.
Additional practice locations include: Orleans, IN.
See Paoli Emergency Physicians.