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Internist, Critical Care Specialist, Pulmonologist (lungs)
21 years of experience
Accepting new patients
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. Christopher O'Brien:

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  1. Qualifications
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Specialties & Research

Dr. Christopher O'Brien, MD is board certified in Internal Medicine and Pulmonary Disease.

  • He has special expertise in 2 areas:
  • Asthma
  • Chronic Obstructive Pulmonary Disease (COPD)

Education & Awards

Dr. O'Brien graduated from University of Connecticut , Farmington.


Affiliations

Dr. O'Brien has 5 hospital affiliations:

  • University of PA Medical Center/Presbyterian 
  • Pennsylvania Hospital University PA Health System 

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

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Additional Information
Dr. Christopher D O'Brien MD is a male Internist, has 21 years of experience and practices in Internal Medicine, Critical Care Medicine, and Pulmonary Disease.
Where does Dr. Christopher D. O'Brien practice?
Dr. Christopher O'Brien has 2 office locations.
Dr. Christopher O'Brien practices Internal Medicine, Critical Care Medicine, and Pulmonary Disease near Philadelphia, PA.
See Philadelphia Internists, Philadelphia Critical Care Practitioners, and Philadelphia Pulmonologists.