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).
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Specialties & Research
Dr. Thomas Barrett, MD, PHD is board certified in Internal Medicine.
Education & Awards
Dr. Barrett graduated from The Ohio State University , Columbus.
Dr. Barrett has 2 hospital affiliations:
- Providence Portland Medical Center
- Veterans Affairs Medical Center - Portland