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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. Gerald Lewis:

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  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (1)

The overall average patient rating of Dr. Gerald Lewis is Excellent. Dr. Lewis has been reviewed by 17 patients who have provided 1 comments. The rating is 5 out of 5 stars.

Patient Ratings
Ease of Appointment 4.6
Promptness 4.8
Courteous Staff 4.8
Accurate Diagnosis 5.0
Bedside Manner 5.0
Spends Time with Me 4.5
Follows Up After Visit 5.0

Specialties & Research

Dr. Gerald Lewis, MD is board certified in Internal Medicine.

  • He has special expertise in 1 area:
  • Diabetes

Education & Awards

Dr. Lewis graduated from University of Illinois at Chicago. He has 4 awards.

Castle Connolly's Top Doctors™ (2012 - 2013)
Patients' Choice Award (2014 - 2015)
Compassionate Doctor Recognition (2014 - 2015)
On-Time Doctor Award (2015)


Dr. Lewis has 5 hospital affiliations:

  • Advocate Lutheran General Hospital 
  • Holy Family Medical Center 

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Additional Information
Dr. Gerald Lewis MD is a male Internist, has 36 years of experience and practices in Internal Medicine.
Where does Dr. Gerald Lewis practice?
Dr. Gerald Lewis has 1 office location.
Dr. Gerald Lewis practices Internal Medicine near Des Plaines, IL.
See Des Plaines Internists.