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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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  1. Qualifications
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Specialties & Research

Dr. Daniel O'Brien, MBBS, MD is board certified in Diagnostic Radiology and Vascular & Interventional Radiology.

  • He has special expertise in 3 areas:
  • Cancer Chemoembolization (Therapeutic Chemoembolization)
  • Transjugular Intrahepatic Portosystemic Shunt (TIPS)
  • Varicocele

Education & Awards

Dr. O'Brien graduated from University College Cork.


Affiliations

Dr. O'Brien has 9 hospital affiliations:

  • St Joseph Hospital 
  • Mayo Regional Hospital 

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

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Additional Information
Dr. Daniel O'Brien MBBS and MD is a male Diagnostic Radiologist, has 21 years of experience and practices in Diagnostic Radiology and Vascular & Interventional Radiology.
Where does Dr. Daniel O'Brien practice?
Dr. Daniel O'Brien has 2 office locations.
Dr. Daniel O'Brien practices Diagnostic Radiology and Vascular & Interventional Radiology near Bangor, ME.
Additional practice locations include: South Portland, ME.
See Bangor Radiologists.