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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. Roger Greenlaw:

View the full profile to get information on:

  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (0)

The overall average patient rating of Dr. Roger Greenlaw is Excellent. Dr. Greenlaw has been reviewed by 5 patients who have provided 0 comments. The rating is 5 out of 5 stars.

Patient Ratings
Ease of Appointment 3.0
Promptness 3.7
Courteous Staff 5.0
Accurate Diagnosis 5.0
Bedside Manner 5.0
Spends Time with Me 5.0
Follows Up After Visit 5.0

Specialties & Research

Dr. Roger Greenlaw, MD is board certified in Internal Medicine and Gastroenterology.

  • He has special expertise in 6 areas:
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Constipation
  • Hepatitis C
  • Holistic Health
  • Irritable Bowel Syndrome (IBS)
  • Ulcerative Colitis

Education & Awards

Dr. Greenlaw graduated from University of Missouri at Columbia.


Dr. Greenlaw has 4 hospital affiliations:

  • Rockford Memorial Hospital 
  • Swedish American Hospital 

> > > > Dr. Roger Greenlaw, MD

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Additional Information
Dr. Roger Greenlaw MD is a male Internist, has 41 years of experience and practices in Internal Medicine and Gastroenterology.
Where does Dr. Roger Greenlaw practice?
Dr. Roger Greenlaw has 1 office location.
Dr. Roger Greenlaw practices Internal Medicine and Gastroenterology near Rockford, IL.
See Rockford Internists and Rockford Gastroenterologists.