Browse Health
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

View full profile

Patient Reviews

Patient comments (0)

The overall average patient rating of Dr. Roger Greenlaw is Excellent. Dr. Greenlaw has been reviewed by 4 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

Similar doctors nearby

Dr. William Baskin

Internal Medicine
39 years experience
Rockford, IL

Dr. Phil Zimmerman

Internal Medicine
47 years experience
Rockford, IL

Dr. Leroy Bach

Internal Medicine
46 years experience
Rockford, IL

Dr. Willam Barnhart

Internal Medicine
40 years experience
Rockford, IL

Dr. Phillip Fulkerson

Internal Medicine
44 years experience
Rockford, IL

Dr. Howard Zeitz

Allergy & Immunology
44 years experience
Rockford, IL
Search All Similar Doctors
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.