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, MD, MBBS 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)
Education & Awards
Dr. O'Brien graduated from University College Cork.
Dr. O'Brien has 9 hospital affiliations:
- St Joseph Hospital
- Mayo Regional Hospital
Accepted Insurance Plans
Dr. O'Brien accepts these health insurances in at least one office:
- Medicare - 1 plan
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- Additional Information
- Where does Dr. Daniel K. O'Brien practice?
Dr. Daniel O'Brien practices Radiology, Diagnostic Radiology, and Vascular & Interventional Radiology near Bangor, ME.
See Bangor Radiologists.