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 O'Brien:
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- Currently 4 of 4 stars
The overall average patient rating of Dr. Charles O'Brien is Excellent.
Specialties & Research
Dr. Charles O'Brien, MD is board certified in Emergency Medicine.
Education & Awards
Dr. O'Brien graduated from Loma Linda University.
Dr. O'Brien has 1 hospital affiliations:
- Community Hospital of Long Beach
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- Additional Information
- Dr. Charles Basker O'Brien MD is a male Emergency Medicine Specialist, has 10 years of experience and practices in Emergency Medicine.
- Where does Dr. Charles B. O'Brien practice?
- Dr. Charles O'Brien has 1 office location.
Dr. Charles O'Brien practices Emergency Medicine near Huntington Beach, CA.
See Huntington Beach Emergency Physicians.