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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. Charles Obrien:

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Patient Reviews

Patient comments (0)

The overall average patient rating of Dr. Charles Obrien is Excellent. Dr. Obrien has been reviewed by 1 patients who have provided 0 comments. The rating is 5 out of 5 stars.

Specialties & Research

Dr. Charles Obrien, MD is board certified in Emergency Medicine.

Education & Awards

Dr. Obrien graduated from Loma Linda University.


Dr. Obrien has 1 hospital affiliations:

  • Community Hospital of Long Beach 


  • English

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Additional Information
Dr. Charles B Obrien MD is a male Emergency Medicine Specialist, has 12 years of experience and practices in Emergency Medicine.
Where does Dr. Charles B. Obrien practice?
Dr. Charles Obrien has 1 office location.
Dr. Charles Obrien practices Emergency Medicine near Huntington Beach, CA.
See Huntington Beach Emergency Physicians.