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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Specialties & Research
- He has special expertise in 1 area:
Education & Awards
Dr. Greenspan graduated from University of Pittsburgh .
Dr. Greenspan has 10 hospital affiliations:
- Louis A Weiss Memorial Hospital
- Lincoln Park Hospital
Accepted Insurance Plans
Dr. Greenspan accepts these health insurances in at least one office:
- Cigna - 11 plans
Similar doctors nearby
- Additional Information
- Where does Dr. Aaron N. Greenspan practice?
Dr. Aaron Greenspan practices Family Medicine, Internal Medicine, and Gastroenterology near Chicago, IL.
Additional practice locations include: Wheaton, IL.
See Chicago Family Physicians, Chicago Internists, and Chicago Gastroenterologists.