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

JENNIFER A SPANIER-STIASNY, DO

GASTROENTEROLOGY

Graduated: 2006

Offers telehealth

NPI: 1235341587

Practice Locations (1)

ILLINOIS GASTROENTEROLOGY GROUP LLC

20 TOWER COURT C

GURNEE, IL 600315711

8472442960

Source: CMS National Downloadable File, September 2026.