WASHINGTON UNIVERSITY PHYSICIANS IN ILLINOIS INC
NPI 1336037076
Radiology - Diagnostic Radiology in Alton, IL

Active since June 24, 2025
1 MEMORIAL DR, ALTON, IL 62002(618) 463-7311 Get Directions Write a Review

NPPES record last updated: August 17, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 17, 2026, Jun 24, 2025 (2 updates tracked since 2025).

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 1336037076) is a healthcare organization registered as a diagnostic radiology in Alton, Illinois and active in the NPI registry since June 2025. The organization lists Cathy Eghigian, Senior Director, Washu Managed Care, as its authorized official.

NPPES Registry Identity

NPI1336037076
Entity TypeOrganization
Primary Taxonomy2085R0202X
Legal Business NameWASHINGTON UNIVERSITY PHYSICIANS IN ILLINOIS INC
Location Address1 MEMORIAL DRAlton, IL 62002-6722
Mailing AddressPo Box 7412011Chicago, IL 60674-2011 · (314) 514-5400
Organization SubpartNo
Authorized OfficialCathy EghigianSenior Director, Washu Managed Care · (314) 273-0770
Enumeration DateJune 24, 2025
Last NPPES UpdateAugust 17, 20262 updates tracked since enumeration
NPPES CertifiedAugust 17, 2026
✔ NPI 1336037076 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
1 MEMORIAL DR, Alton, IL 62002

Other Names 1

Other NameWupi - Radiology

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

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

565

Medicare enrollment records show 565 clinicians reassign Medicare billing to Washington University Physicians In Illinois Inc, which bills Medicare for the services they deliver. Of these, 6 practice at this address and 16 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 35

Nurse Practitioner92
Pediatric Medicine91
Diagnostic Radiology63
Pathology56
Hospitalist38
Radiation Oncology34
Critical Care (Intensivists)28
Obstetrics/Gynecology28
27 other specialties135

Nearest to this location (20)

See all 565
Nurse Practitioner
NPI 1316816044
1 MEMORIAL DR DIV IM MEDICAL ONCOLOGY
Alton, IL 62002
(618) 433-7085
✔ PECOS✔ Accepts MedicareSame address
Pediatric Medicine
NPI 1699718692
4 MEMORIAL DR. STE 110
Alton, IL 62002
(618) 474-1711
✔ PECOSSame address
Nurse Practitioner
NPI 1013214576
4 MEMORIAL DR STE 134
Alton, IL 62002
(618) 607-1340
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1487971537
2 MEMORIAL DR STE 101
Alton, IL 62002
(618) 433-6006
✔ PECOS✔ Accepts MedicareSame address
Medical Oncology
NPI 1518901545
1 MEMORIAL DR DIV MEDICAL ONCOLOGY
Alton, IL 62002
(800) 647-2098
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1386839389
1 MEMORIAL DR DIV MEDICAL ONCOLOGY
Alton, IL 62002
(800) 647-2098
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1609411784
4 MEMORIAL DR STE 130
Alton, IL 62002
(618) 463-7600
✔ PECOS✔ Accepts Medicare1.5 mi
Cardiac Surgery
NPI 1578634226
11155 DUNN RD DIV SURG CT ADULT CARDIO, STE 209E
Saint Louis, MO 63136
(314) 355-3003
✔ PECOS✔ Accepts Medicare9.5 mi
Cardiac Surgery
NPI 1891081055
11155 DUNN RD DIV SURG CT ADULT CARDIO, STE 209E
Saint Louis, MO 63136
(314) 355-3003
✔ PECOS✔ Accepts Medicare9.5 mi
Critical Care (Intensivists)
NPI 1871585356
11155 DUNN RD STE: 315E
Saint Louis, MO 63136
(314) 355-7500
✔ PECOS✔ Accepts Medicare9.5 mi
Critical Care (Intensivists)
NPI 1083641971
11133 DUNN RD DEPT ANESTHESIOLOGY
Saint Louis, MO 63136
(800) 862-9980
✔ PECOS✔ Accepts Medicare9.6 mi
Nurse Practitioner
NPI 1770723082
11133 DUNN RD DEPT ANESTHESIOLOGY
Saint Louis, MO 63136
(800) 862-9980
✔ PECOS✔ Accepts Medicare9.6 mi
Critical Care (Intensivists)
NPI 1356962476
11133 DUNN RD DEPT EMERGENCY MED
Saint Louis, MO 63136
(314) 362-9123
✔ PECOS✔ Accepts Medicare9.6 mi
Critical Care (Intensivists)
NPI 1225222409
11133 DUNN RD DEPT ANESTHESIOLOGY
Saint Louis, MO 63136
(800) 862-9980
✔ PECOS✔ Accepts Medicare9.6 mi
Internal Medicine
NPI 1356757736
11133 DUNN RD DIV IM MEDICAL ONCOLOGY
Saint Louis, MO 63136
(314) 454-8304
✔ PECOS✔ Accepts Medicare9.6 mi
Nurse Practitioner
NPI 1700513637
11133 DUNN RD DIV IM BONE MARROW TRANSPLANT
Saint Louis, MO 63136
(314) 454-8304
✔ PECOS✔ Accepts Medicare9.6 mi
Emergency Medicine
NPI 1851885859
1225 GRAHAM RD DIV PED EMERGENCY MED
Florissant, MO 63031
(314) 454-2341
✔ PECOS✔ Accepts Medicare13 mi
Radiation Oncology
NPI 1932363553
1255 GRAHAM RD DEPT RADIATION ONCOLOGY
Florissant, MO 63031
(314) 820-6751
✔ PECOS✔ Accepts Medicare13 mi
Internal Medicine
NPI 1649558289
1255 GRAHAM RD DIV IM MEDICAL ONCOLOGY, STE 101
Florissant, MO 63031
(314) 747-1171
✔ PECOS✔ Accepts Medicare13 mi
Medical Oncology
NPI 1023456712
1255 GRAHAM RD DIV IM MEDICAL ONCOLOGY, STE 101
Florissant, MO 63031
(800) 647-2098
✔ PECOS✔ Accepts Medicare13 mi
See all 565 clinicians

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

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 1336037076. It was assigned to this organization in the NPPES registry on June 24, 2025. The provider is also known as WUPI - Radiology.

Where is Washington University Physicians In Illinois Inc located?

Washington University Physicians In Illinois Inc is located at 1 Memorial Dr, Alton, IL 62002. The listed phone number is (618) 463-7311.

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

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

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.

How many clinicians bill Medicare through Washington University Physicians In Illinois Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 565 clinicians in 35 Medicare specialties reassign their Medicare billing to Washington University Physicians In Illinois Inc. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Nurse Practitioner (92), Pediatric Medicine (91) and Diagnostic Radiology (63). Of these, 6 practice at this address and 16 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Washington University Physicians In Illinois Inc was last updated on August 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.