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. Aaron Greenspan:
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- Currently 3.5 of 4 stars
The overall average patient rating of Dr. Aaron Greenspan is Excellent.
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Specialties & Research
Dr. Aaron Greenspan, MD is board certified in Gastroenterology.
Education & Awards
Dr. Greenspan graduated from University of Pittsburgh .
Dr. Greenspan has 17 hospital affiliations:
- Barnes Jewish Hospital
- Des Peres Hospital
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- Additional Information
- Where does Dr. Aaron B. Greenspan practice?
Dr. Aaron Greenspan practices Gastroenterology near Belleville, IL.
See Belleville Gastroenterologists.