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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. Mark Lewis:

View the full profile to get information on:

  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (5)

The overall average patient rating of Dr. Mark Lewis is Average. Dr. Lewis has been reviewed by 29 patients who have provided 5 comments. The rating is 3 out of 5 stars.

Patient Ratings
Ease of Appointment 3.7
Promptness 3.7
Courteous Staff 3.7
Accurate Diagnosis 3.7
Bedside Manner 3.1
Spends Time with Me 3.4
Follows Up After Visit 3.5

Education & Awards

Dr. Lewis graduated from University of Illinois at Chicago.


Dr. Lewis has 4 hospital affiliations:

  • Provena Mercy Medical Center 
  • Delnor Community Hospital 


  • English

> > > > Dr. Mark Lewis, MD

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Additional Information
Dr. Mark C P Lewis MD is a male Internist, has 26 years of experience and practices in Internal Medicine.
Where does Dr. Mark C. Lewis practice?
Dr. Mark Lewis has 1 office location.
Dr. Mark Lewis practices Internal Medicine near Geneva, IL.
See Geneva Internists.