NPIMap

Organization Active NPI

Washington University Physicians in Illinois Inc

  • Diagnostic Radiology Physician
  • Alton, IL
National Provider Identifier
1336037076
Registry record updated Aug 17, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Diagnostic Radiology PhysicianTaxonomy code 2085R0202X
Legal business name
WASHINGTON UNIVERSITY PHYSICIANS IN ILLINOIS INC
Practice address
1 Memorial Dr
Alton, IL 62002-6722
Phone
(618) 463-7311
NPI assigned
Jun 24, 2025
Organization subpart
No

Authorized official

NPPES NPI Registry
Name
Cathy Eghigian
Title
Senior Director, Washu Managed Care
Phone
(314) 273-0770

Other NPIs on the same Medicare enrollment 12

NPIs listed together on one Medicare enrollment, typically parts of the same organization.

Other NPIs with the same Medicare PAC ID 1

NPIs whose Medicare enrollments share a PECOS associate control ID (the same enrolled entity).

Member of 1

Organizations this organization is a member of, according to the National Provider Directory.

Practitioners 195

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

View all 195

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in IL, MO, OH, MI, IA, VA, SC, PA, TX, FL, TN, DC12 enrollments

Enrollment records 12

Enrollment IDStateProvider typePAC IDDetails
O20180227002018 IL Part B Supplier - Clinic/Group Practice 4789945163 Receives reassigned benefits from 520 practitioners
12 other NPIs on this enrollment
This NPI is an additional NPI on the enrollment
Practice locations: Columbia, IL; Maryville, IL; Edwardsville, IL; Godfrey, IL; Highland, IL; Mount Vernon, IL; O Fallon, IL; Oak Brook, IL…
O20251023000363 MO Part B Supplier - Clinic/Group Practice 4789945163 Receives reassigned benefits from 30 practitioners
1 other NPI on this enrollment
Practice locations: Webster Groves, MO; Saint Louis, MO; Olivette, MO; Clayton, MO; Kirkwood, MO; O Fallon, MO
O20251030001898 OH Part B Supplier - Clinic/Group Practice 4789945163 Receives reassigned benefits from 5 practitioners
Practice locations: Beavercreek, OH; Mason, OH; Marion, OH; Columbus, OH; Bratenahl, OH
O20251107000602 MI Part B Supplier - Clinic/Group Practice 4789945163 Receives reassigned benefits from 2 practitioners
Practice locations: Byron Center, MI; Saint Joseph, MI
O20251107004102 IA Part B Supplier - Clinic/Group Practice 4789945163 Receives reassigned benefits from 1 practitioner
Practice locations: Waukee, IA
O20251114000021 VA Part B Supplier - Clinic/Group Practice 4789945163 Receives reassigned benefits from 1 practitioner
Practice locations: Lynchburg, VA
O20251119001019 SC Part B Supplier - Clinic/Group Practice 4789945163 Receives reassigned benefits from 1 practitioner
Practice locations: Pendleton, SC
O20251125002782 PA Part B Supplier - Clinic/Group Practice 4789945163 Receives reassigned benefits from 1 practitioner
Practice locations: Hummelstown, PA
O20251125003564 TX Part B Supplier - Clinic/Group Practice 4789945163 Receives reassigned benefits from 6 practitioners
Practice locations: Brownsville, TX; Dallas, TX; Harlingen, TX; San Antonio, TX; Terrell Hills, TX; The Hills, TX
O20260220000432 FL Part B Supplier - Clinic/Group Practice 4789945163 Receives reassigned benefits from 6 practitioners
Practice locations: Boca Raton, FL; Daytona Beach, FL; Fort Walton Beach, FL; Naples, FL; Windermere, FL
O20260223000366 TN Part B Supplier - Clinic/Group Practice 4789945163 Receives reassigned benefits from 1 practitioner
Practice locations: Clarksville, TN
O20260309000072 DC Part B Supplier - Clinic/Group Practice 4789945163 Receives reassigned benefits from 1 practitioner
Practice locations: Washington, DC

National Provider Directory

National Provider Directory

Specialties & licenses 1

NPPES NPI Registry
Specialty (taxonomy)CodeLicenseStatePrimary
Diagnostic Radiology PhysicianGroup: 193200000X MULTI-SPECIALTY GROUP 2085R0202X Primary

Addresses

NPPES NPI Registry

Primary practice location

1 Memorial Dr
Alton, IL 62002-6722

Mailing address

PO Box 7412011
Chicago, IL 60674-2011
Phone (314) 514-5400

Other names 1

NPPES NPI Registry
  • WUPI - Radiology Other name

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format, last updated by the provider on Aug 17, 2026.

{
    "created_epoch": "1750723200000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1786924800000",
    "number": "1336037076",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 7412011",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606742011",
            "telephone_number": "314-514-5400"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1 MEMORIAL DR",
            "city": "ALTON",
            "state": "IL",
            "postal_code": "620026722",
            "telephone_number": "618-463-7311"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "WASHINGTON UNIVERSITY PHYSICIANS IN ILLINOIS INC",
        "organizational_subpart": "NO",
        "enumeration_date": "2025-06-24",
        "last_updated": "2026-08-17",
        "certification_date": "2026-08-17",
        "status": "A",
        "authorized_official_last_name": "EGHIGIAN",
        "authorized_official_first_name": "CATHY",
        "authorized_official_title_or_position": "SENIOR DIRECTOR, WASHU MANAGED CARE",
        "authorized_official_telephone_number": "314-273-0770"
    },
    "taxonomies": [
        {
            "code": "2085R0202X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Radiology, Diagnostic Radiology",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "WUPI - Radiology",
            "code": "5",
            "type": "Other Name"
        }
    ]
}

Other providers in Alton, IL

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 17, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.