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).
- Currently 2.5 of 4 stars
The overall average patient rating of Dr. Gary Lewison is Good. Dr. Lewison has been reviewed by 6 patients who have provided 3 comments. The rating is 2.5 out of 4 stars.
|Ease of Appointment||
|Spends Time with Me||
|Follows Up After Visit||
Education & Awards
Dr. Lewison graduated from Rosalind Franklin University, North Chicago.More Education & Awards
Dr. Lewison has 6 hospital affiliations:
- Hinsdale Hospital
- St Alexius Medical Center
Accepted Insurance Plans
Dr. Lewison accepts these health insurances in at least one office:
- United Healthcare - 6 plans
- Unicare - 11 plans
- Blue Cross Blue Shield of Illinois - 2 plans
- Evercare - 3 plans
- Cigna - 11 plans
- Humana - 2 plans
- USA H & W Network - 1 plan
More Accepted Insurance
Learn more about Dr. Gary Lewison:
View the full profile to get information on:
- What's important to you
View full profile
Similar doctors nearby
- Additional Information
- Where does Dr. Gary R. Lewison practice?
Dr. Gary Lewison practices Internal Medicine near Dundee, IL.
Additional practice locations include: Hoffman Estates, IL and Elk Grove Village, IL.
See Dundee Internists.
- Similar Physician Names
- Dr. Garry Lewison