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. Colin O'Brien:
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Specialties & Research
Dr. Colin O'Brien, MD is board certified in Emergency Medicine.
- He has special expertise in 2 areas:
- Nasal Allergy (Rhinitis)
Education & Awards
Dr. O'Brien graduated from Georgetown University, Washington.
Dr. O'Brien has 4 hospital affiliations:
- U Mass Memorial Med Ctr - Memorial Campus
- Southern Nh Medical Center
Accepted Insurance Plans
Dr. O'Brien accepts these health insurances in at least one office:
- Unicare - 5 plans
- United Healthcare - 12 plans