> > > > Dr. Colin O'Brien, MD
Dr. Colin O'Brien MD is a male Allergist & Immunologist, has 22 years of experience and practices in Allergy & Immunology and Emergency Medicine.
Dr. Colin O'Brien has 2 office locations.
Lake Park
55 Lake Ave N
Worcester, MA 01655

Phone Number
Locations and availability (2)
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).

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Specialties & Research

Dr. Colin O'Brien, MD is board certified in Emergency Medicine.

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

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Additional Information
Where does Dr. Colin O'Brien practice?
Dr. Colin O'Brien practices Allergy & Immunology and Emergency Medicine near Worcester, MA.
Additional practice locations include: Nashua, NH.
See Worcester Allergists and Worcester Emergency Physicians.