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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. Julie O'Brien:

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Education & Awards

Dr. O'Brien graduated from University of Massachusetts, Worcester.


Dr. O'Brien has 2 hospital affiliations:

  • U Mass Memorial Med Ctr - Memorial Campus 
  • U Mass Memorial Medical Center 

> > > > Dr. Julie O'Brien, MD

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Additional Information
Dr. Julie Anne O'Brien MD is a female Surgeon, has 6 years of experience and practices in Surgery.
Where does Dr. Julie A. O'Brien practice?
Dr. Julie O'Brien has 1 office location.
Dr. Julie O'Brien practices Surgery near Worcester, MA.
See Worcester Surgeons.