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License & Identifications

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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  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (5)

The overall average patient rating of Dr. Aaron Greenspan is Good. Dr. Greenspan has been reviewed by 26 patients who have provided 5 comments. The rating is 3.5 out of 5 stars.

Patient Ratings
Ease of Appointment 3.5
Promptness 3.5
Courteous Staff 3.9
Accurate Diagnosis 3.5
Bedside Manner 3.5
Spends Time with Me 3.3
Follows Up After Visit 3.2

Specialties & Research

Dr. Aaron Greenspan, MD is board certified in Gastroenterology.

  • He has special expertise in 5 areas:
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Constipation
  • Hepatitis C
  • Irritable Bowel Syndrome (IBS)
  • Ulcerative Colitis

Education & Awards

Dr. Greenspan graduated from University of Pittsburgh . He has 1 awards.

On-Time Doctor Award (2014)


Dr. Greenspan has 3 hospital affiliations:

  • Barnes Jewish Hospital 
  • St Mary'S Health Center 
  • Memorial Hospital 

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Additional Information
Dr. Aaron B Greenspan MD is a male Internist and practices in Gastroenterology.
Where does Dr. Aaron B. Greenspan practice?
Dr. Aaron Greenspan has 1 office location.
Dr. Aaron Greenspan practices Gastroenterology near Belleville, IL.
See Belleville Gastroenterologists.