WASHINGTON UNIVERSITY PHYSICIANS IN ILLINOIS, INC
NPI 1265029508
Clinic/Center - Multi-Specialty in Shiloh, IL

Active since December 21, 2020CLIA 14D2142420 · Waiver
1418 CROSS ST STE 180, SHILOH, IL 62269(314) 362-7260 Get Directions Write a Review

NPPES record last updated: April 25, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Nov 1, 2022, Mar 11, 2021, Dec 21, 2020 (3 updates tracked since 2020).

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 1265029508) is a healthcare organization registered as a multi-specialty in Shiloh, Illinois and active in the NPI registry since December 2020. The organization holds a CLIA Waiver certificate valid through January 9, 2028 and lists Cathy Eghigian, Senior Director Managed Care, as its authorized official.

NPPES Registry Identity

NPI1265029508
Entity TypeOrganization
Primary Taxonomy261QM1300X
Legal Business NameWASHINGTON UNIVERSITY PHYSICIANS IN ILLINOIS, INC
Location Address1418 CROSS ST STE 180Shiloh, IL 62269-2988
Mailing AddressPo Box 7412011Chicago, IL 60674-2011 · (314) 362-7260
Organization SubpartNo
Authorized OfficialCathy EghigianSenior Director Managed Care · (314) 273-0770
Enumeration DateDecember 21, 2020
Last NPPES UpdateApril 25, 20253 updates tracked since enumeration
NPPES CertifiedApril 25, 2025
✔ NPI 1265029508 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Multi-SpecialtyAmbulatory Health Care Facilities
Taxonomy Code261QM1300X
1418 CROSS ST STE 180, Shiloh, IL 62269

Other Names 2

Other NameWupi - Cardiothoracic Surgery
Other NameWashington University

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Washington University Physicians In Illinois, Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

528

Medicare enrollment records show 528 clinicians reassign Medicare billing to Washington University Physicians In Illinois, Inc, which bills Medicare for the services they deliver. Of these, 8 practice at this address and 49 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 34

Nurse Practitioner92
Pediatric Medicine91
Pathology56
Hospitalist38
Radiation Oncology34
Critical Care (Intensivists)28
Obstetrics/Gynecology28
Diagnostic Radiology27
26 other specialties134

Nearest to this location (20)

See all 528
Nurse Practitioner
NPI 1346999315
1418 CROSS ST DIV IM MEDICAL ONCOLOGY, STE 180
Shiloh, IL 62269
(800) 647-2098
✔ PECOS✔ Accepts MedicareSame address
Medical Oncology
NPI 1073501607
1418 CROSS ST DIV IM MEDICAL ONCOLOGY, STE 180
Shiloh, IL 62269
(618) 607-1340
✔ PECOS✔ Accepts MedicareSame address
Medical Oncology
NPI 1023499282
1418 CROSS ST DIV IM MEDICAL ONCOLOGY, STE 180
Shiloh, IL 62269
(618) 607-1340
✔ PECOS✔ Accepts MedicareSame address
Urology
NPI 1023377736
1418 CROSS ST DIV SURG UROLOGY, STE 180
Shiloh, IL 62269
(314) 362-8200
✔ PECOS✔ Accepts MedicareSame address
Radiation Oncology
NPI 1851618995
1418 CROSS ST STE 160
Shiloh, IL 62269
(618) 607-1340
✔ PECOS✔ Accepts MedicareSame address
Medical Oncology
NPI 1609824549
1418 CROSS ST DIV IM MEDICAL ONCOLOGY, STE 180
Shiloh, IL 62269
(618) 607-1340
✔ PECOSSame address
Hematology/Oncology
NPI 1033167846
1418 CROSS ST DIV IM MEDICAL ONCOLOGY, STE 180
Shiloh, IL 62269
(618) 607-1340
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1699144303
1418 CROSS ST DIV WUPI HEMATOLOGY, STE 180
Shiloh, IL 62269
(314) 362-7216
✔ PECOS✔ Accepts MedicareSame address
Radiation Oncology
NPI 1942202155
1418 CROSS ST STE 160
Shiloh, IL 62269
(618) 607-1340
✔ PECOS✔ Accepts Medicare0.3 mi
Interventional Radiology
NPI 1578903134
1404 CROSS ST
Shiloh, IL 62269
(954) 606-5225
✔ PECOS✔ Accepts Medicare0.3 mi
Cardiovascular Disease (Cardiology)
NPI 1093704942
1941 FRANK SCOTT PKWY E
Shiloh, IL 62269
(618) 526-8850
✔ PECOS0.7 mi
Qualified Audiologist
NPI 1538896774
19 WOLF CREEK DR DEPT OTOLARYNGOLOGY
Swansea, IL 62226
(618) 235-3687
✔ Accepts Medicare4.5 mi
Otolaryngology
NPI 1649273319
19 WOLF CREEK DR DEPT OTOLARYNGOLOGY
Swansea, IL 62226
(618) 235-3687
✔ PECOS✔ Accepts Medicare4.5 mi
Nurse Practitioner
NPI 1639532609
19 WOLF CREEK DR DEPT OTOLARYNGOLOGY
Swansea, IL 62226
(618) 235-3687
✔ PECOS✔ Accepts Medicare4.5 mi
Qualified Audiologist
NPI 1699340984
19 WOLF CREEK DR DEPT OTOLARYNGOLOGY
Swansea, IL 62226
(618) 235-3687
✔ Accepts Medicare4.5 mi
Otolaryngology
NPI 1942203617
19 WOLF CREEK DR DEPT OTOLARYNGOLOGY
Swansea, IL 62226
(618) 235-3687
✔ PECOS✔ Accepts Medicare4.5 mi
Audiologist
NPI 1912466186
19 WOLF CREEK DR DEPT OTOLARYNGOLOGY
Swansea, IL 62226
(618) 235-3687
✔ PECOS✔ Accepts Medicare4.5 mi
Nurse Practitioner
NPI 1831712835
3 SAINT ELIZABETH BLVD STE 1800
O Fallon, IL 62269
(618) 233-6044
✔ PECOS✔ Accepts Medicare4.9 mi
Nurse Practitioner
NPI 1437523677
4500 MEMORIAL DR
Belleville, IL 62226
(618) 257-6220
✔ PECOS✔ Accepts Medicare6.3 mi
Diagnostic Radiology
NPI 1245202068
4500 MEMORIAL DR DEPT RADIOLOGY
Belleville, IL 62226
(618) 257-5613
✔ PECOS✔ Accepts Medicare6.4 mi
See all 528 clinicians

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

CLIA Laboratory Certificates CMS CLIA 2

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 14D2142420

Washington University Physicians Of Illinois · Shiloh, IL
Active · expires Jan 9, 2028
CLIA Number14D2142420
Laboratory TypePhysician Office
Certificate Effective DateJanuary 10, 2026
Certificate Expiration DateJanuary 9, 2028
Laboratory DirectorJohn Visconti
Laboratory Phone(618) 607-1406
Laboratory LocationWashington University Physicians Of Illinois1418 Cross St - Ste 180, Shiloh, IL 62269
CLIA data matches this NPI record on: Address Name
This certificate is issued to a laboratory to perform only waived tests.

Certificate for Provider-Performed Microscopy Procedures (PPMP) 14D2149316

Washington University Physicians In Il · Shiloh, IL
Expired · Oct 11, 2026
CLIA Number14D2149316
Laboratory TypePhysician Office
Certificate Effective DateOctober 12, 2024
Certificate Expiration DateOctober 11, 2026
Laboratory DirectorKatherine Anne Burgener
Laboratory Phone(618) 607-1140
Laboratory LocationWashington University Physicians In Il1414 Cross St - Ste 140, Shiloh, IL 62269
CLIA data matches this NPI record on: Name
This certificate is issued to a laboratory in which a physician, midlevel practitioner or dentist performs no tests other than the microscopy procedures. This certificate permits the laboratory to also perform waived tests.

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 1265029508. It was assigned to this organization in the NPPES registry on December 21, 2020. The provider is also known as WUPI - Cardiothoracic Surgery and Washington University.

Where is Washington University Physicians In Illinois, Inc located?

Washington University Physicians In Illinois, Inc is located at 1418 Cross St Ste 180, Shiloh, IL 62269. The listed phone number is (314) 362-7260.

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.

Is Washington University Physicians In Illinois, Inc enrolled in Medicare?

Yes. Washington University Physicians In Illinois, Inc is registered in the Medicare PECOS enrollment system.

Does Washington University Physicians In Illinois, Inc hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 14D2142420) is associated with this NPI, valid through January 9, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

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 17 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.