HealthCareAtlasUSA

This site republishes official CMS/Medicare Care Compare data. It is not medical advice and does not recommend any specific hospital or treatment — for medical decisions, talk to a doctor.

Doctors / IL

JOHN L SHOWEL JR., MD

HEMATOLOGY/ONCOLOGY

Medical school: UNIVERSITY OF ILLINOIS COLLEGE OF MED (CHI/PEOR/ROCK/CHM-URB)

Graduated: 1965

NPI: 1689602146

Practice Locations (4)

RUSH UNIVERSITY MEDICAL GROUP

1620 W HARRISON ST

CHICAGO, IL 606123801

RUSH UNIVERSITY MEDICAL GROUP

1653 W CONGRESS PKWY

CHICAGO, IL 606123833

RUSH UNIVERSITY MEDICAL GROUP

1700 W VAN BUREN ST

CHICAGO, IL 606125500

3125632875

RUSH UNIVERSITY MEDICAL GROUP

1725 W HARRISON ST, SUITE 450

CHICAGO, IL 606124828

3125634238

Source: CMS National Downloadable File, September 2026.

JOHN SHOWEL, MD | HealthCareAtlasUSA