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. Elizabeth O'Brien:
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Specialties & Research
Dr. Elizabeth O'Brien, MD is board certified in Internal Medicine.
Education & Awards
Dr. O'Brien graduated from Southern Illinois University, Springfield.
Accepted Insurance Plans
Dr. O'Brien accepts these health insurances in at least one office:
- Great-West Healthcare - 2 plans
- Humana - 5 plans
- Cigna - 3 plans
- Aetna - 2 plans
Similar doctors nearby
- Additional Information
- Where does Dr. Elizabeth E. O'Brien practice?
Dr. Elizabeth O'Brien practices Internal Medicine near Carlinville, IL.
See Carlinville Internists.