Browse Health
Emergency Physician
30 years of experience
Accepting new patients
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).

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Education & Awards

Dr. O'Brien graduated from New York Medical College, Valhalla.


Dr. O'Brien has 1 hospital affiliations:

  • University of Louisville Hospital, Division of Plastic Surgery 

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Additional Information
Dr. Daniel J O'Brien MD is a male Emergency Medicine Specialist, has 30 years of experience and practices in Emergency Medicine.
Where does Dr. Daniel J. O'Brien practice?
Dr. Daniel O'Brien has 1 office location.
Dr. Daniel O'Brien practices Emergency Medicine near Louisville, KY.
See Louisville Emergency Physicians.