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. Nathan Harrison:
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Specialties & Research
Dr. Nathan Harrison, MD is board certified in Obstetrics & Gynecology.
- He has special expertise in 2 areas:
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Education & Awards
Dr. Harrison graduated from University of Illinois at Chicago.
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- Additional Information
- Where does Dr. Nathan J. Harrison practice?
Dr. Nathan Harrison practices Obstetrics & Gynecology near La Jolla, CA.
See La Jolla Obstetricians & Gynecologists.