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 29 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.