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. Cara O'Brien:
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- Currently 4 of 4 stars
The overall average patient rating of Dr. Cara O'Brien is Excellent.
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Specialties & Research
Dr. Cara O'Brien, MD is board certified in Internal Medicine.
- She has special expertise in 1 area:
- Flu (Human Influenza)
Education & Awards
Dr. O'Brien graduated from Washington University at St. Louis, Saint Louis.
Dr. O'Brien has 2 hospital affiliations:
- Duke University Hospital
- Durham Regional Hospital
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- Additional Information
- Dr. Cara Louise O'Brien MD is a female Internist, has 6 years of experience and practices in Internal Medicine.
- Where does Dr. Cara L. O'Brien practice?
- Dr. Cara O'Brien has 2 office locations.
Dr. Cara O'Brien practices Internal Medicine near Durham, NC.
See Durham Internists.