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Midwest Digestive Disease Specialists,S C

Gastroenterology Physician in Oakbrook Terrace, IL · enumerated 2006 · authorized official Tracey Wieczorek, Accounts Management/Supervisor.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1356402465

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Registry record

Entity type Organization (Type 2)
Legal business name Midwest Digestive Disease Specialists,S C
Practice address 2 Transam Plaza Dr, Suite 100, Oakbrook Terrace, IL, 60181
Phone (630) 833-0653
Fax (630) 932-3437
Enumeration date Dec 12, 2006
Last updated in NPPES Oct 2, 2013

Taxonomy & classification

207RG0100X Gastroenterology Physician Allopathic & Osteopathic Physicians · License 042006651 (IL) Primary

Authorized official

Name Tracey Wieczorek
Title Accounts Management/Supervisor
Phone (630) 327-7991

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

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Frequently asked questions

Who is the authorized official for Midwest Digestive Disease Specialists,S C?
NPPES lists Tracey Wieczorek (Accounts Management/Supervisor) as the authorized official for this organization.
What is the NPI number for Midwest Digestive Disease Specialists,S C?
The NPI for Midwest Digestive Disease Specialists,S C is 1356402465, a Type 2 (organization) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-10-02.