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. Grael O'Brien:
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Specialties & Research
Dr. Grael O'Brien, MD, PHD is board certified in Pediatrics.
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Education & Awards
Dr. O'Brien graduated from Case Western Reserve University , Cleveland. She has 2 awards.
Dr. O'Brien has 7 hospital affiliations:
- St Francis Hospital & Medical Center
- Mount Sinai Rehabilitation Hospital
Accepted Insurance Plans
Dr. O'Brien accepts these health insurances in at least one office:
- United Healthcare - 12 plans
- Americhoice - 2 plans
- Oxford Health Plans - 3 plans
- Cigna - 13 plans
- Humana - 6 plans
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