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WASHINGTON UNIVERSITY PHYSICIANS IN ILLINOIS, INC
NPI 1477076263
Clinic/Center - Multi-Specialty in O Fallon, IL

Active since July 24, 2017
1414 CROSS ST, O FALLON, IL 62269(314) 273-0770(314) 273-0470 Get Directions Write a Review

NPPES record last updated: April 25, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Feb 26, 2018, Jul 24, 2017 (2 updates tracked since 2017).

About Washington University Physicians In Illinois, Inc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

WASHINGTON UNIVERSITY PHYSICIANS IN ILLINOIS, INC (NPI 1477076263) is a healthcare organization registered as a multi-specialty in O Fallon, Illinois and active in the NPI registry since July 2017. The organization lists Cathy Eghigian, Senior Director Managed Care, as its authorized official.

NPPES Registry Identity

NPI1477076263
Entity TypeOrganization
Primary Taxonomy261QM1300X
Legal Business NameWASHINGTON UNIVERSITY PHYSICIANS IN ILLINOIS, INC
Location Address1414 CROSS STO Fallon, IL 62269-2988
Mailing AddressPo Box 7412011Chicago, IL 60674-2011 · (314) 273-0770
Phone(314) 273-0770
Fax(314) 273-0470
Organization SubpartNo
Authorized OfficialCathy EghigianSenior Director Managed Care · (314) 273-0770
Enumeration DateJuly 24, 2017
Last NPPES UpdateApril 25, 20252 updates tracked since enumeration
NPPES CertifiedApril 25, 2025
✔ NPI 1477076263 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Multi-SpecialtyAmbulatory Health Care Facilities
Taxonomy Code261QM1300X
1414 CROSS ST, O Fallon, IL 62269
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Other Names 2

Other NameWupi - Internal Medicine
Other NameWashington University

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

WASHINGTON UNIVERSITY PHYSICIANS IN ILLINOIS, INC.
Clinic/Center (Multi-Specialty)
1414 CROSS ST
O FALLON, IL 62269
St. Clair County (314) 286-1264
WASHINGTON UNIVERSITY PHYSICIANS IN ILLINOIS, INC.
Clinic/Center (Multi-Specialty)
1414 CROSS ST
SHILOH, IL 62269
St. Clair County (314) 454-8181
WASHINGTON UNIVERSITY PHYSICIANS IN ILLINOIS, INC
Occupational Therapist
1414 CROSS ST
O FALLON, IL 62269
St. Clair County (314) 286-2669

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Washington University Physicians In Illinois, Inc's NPI number?

The NPI number for Washington University Physicians In Illinois, Inc is 1477076263. It was assigned to this organization in the NPPES registry on July 24, 2017. The provider is also known as WUPI - Internal Medicine and Washington University.

Where is Washington University Physicians In Illinois, Inc located?

Washington University Physicians In Illinois, Inc is located at 1414 Cross St, O Fallon, IL 62269. The listed phone number is (314) 273-0770.

What is Washington University Physicians In Illinois, Inc's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Multi-Specialty, with taxonomy code 261QM1300X.

When was this NPI record last updated?

The NPPES record for Washington University Physicians In Illinois, Inc was last updated on April 25, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.