NPIMap

Organization Active NPI

Washington University Physicians in Illinois, Inc

  • Multi-Specialty Clinic/Center
  • O'Fallon, IL
National Provider Identifier
1477076263
Registry record updated Apr 25, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Multi-Specialty Clinic/CenterTaxonomy code 261QM1300X
Legal business name
WASHINGTON UNIVERSITY PHYSICIANS IN ILLINOIS, INC
Practice address
1414 Cross St
O Fallon, IL 62269-2988
Phone
(314) 273-0770
Fax
(314) 273-0470
NPI assigned
Jul 24, 2017
Last updated
Apr 25, 2025By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Apr 25, 2025

Registry information is reported by the provider to CMS and is not verified. About this source

Authorized official

Name
Cathy Eghigian
Title
Senior Director Managed Care
Phone
(314) 273-0770

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Multi-Specialty Clinic/Center 261QM1300X Primary

Addresses

Primary practice location

1414 Cross St
O Fallon, IL 62269-2988

Mailing address

PO Box 7412011
Chicago, IL 60674-2011
Phone (314) 273-0770

Other names 2

  • WUPI - Internal Medicine Other name
  • Washington University Other name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in IL

Enrollment records 1

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
Practice locations: Columbia, IL; Maryville, IL; Edwardsville, IL; Godfrey, IL; Highland, IL; Mount Vernon, IL; O Fallon, IL; Oak Brook, IL…

Other NPIs with the same Medicare PAC ID 1

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

Other NPIs on the same Medicare enrollment 12

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

National Provider Directory

National Provider Directory

Locations

2 Memorial Dr
Ste 120
Alton, IL 62002
Phone (618) 332-4081

4 Memorial Dr
Ste 110
Alton, IL 62002
Phone (618) 474-1711

4 Memorial Dr
Ste 132
Alton, IL 62002
Phone (618) 463-7323

4700 Memorial Dr
Ste 180
Belleville, IL 62226

4700 Memorial Dr
Ste 230
Belleville, IL 62226
Phone (618) 212-4414

900 E Walnut St
Carbondale, IL 62901

2122 Troy Rd
Ste 140
Edwardsville, IL 62025

8 Sunset Hills Professional Ctr
#10
Edwardsville, IL 62025

8 Sunset Hills Professional Ctr
#100
Edwardsville, IL 62025

5213 Godfrey Rd
Godfrey, IL 62035
Phone (618) 463-7536

1414 Cross St
Ste 140B
O Fallon, IL 62269

1414 Cross St
Ste 140A
Shiloh, IL 62269

5 Broadway Plz
Ste 1
Sparta, IL 62286
Phone (618) 235-3687

4111 N Illinois St
Ste B
Swansea, IL 62226

8328 Eager Rd
#300
Brentwood, MO 63144
Phone (314) 362-1777

15830 Fountain Plaza Dr
Chesterfield, MO 63017
Phone (314) 996-5170

1101 W Liberty St
Farmington, MO 63640
Phone (573) 705-1272

1225 Graham Rd
Florissant, MO 63031
Phone (314) 653-5630

10 Barnes West Dr
#2
Saint Louis, MO 63141

1040 N Mason Rd
Ste 110
Saint Louis, MO 63141

4921 Parkview Pl
#7A
Saint Louis, MO 63110

150 Entrance Way
Ste 100
Saint Peters, MO 63376
Phone (636) 916-9920

67 Kendall St Ste 200
Clifton Springs, NY 14432

Practitioners & affiliated clinicians

Practitioners 537

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

View all 537

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1500854400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1745539200000",
    "number": "1477076263",
    "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": "314-273-0770"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1414 CROSS ST",
            "city": "O FALLON",
            "state": "IL",
            "postal_code": "622692988",
            "telephone_number": "314-273-0770",
            "fax_number": "314-273-0470"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "WASHINGTON UNIVERSITY PHYSICIANS IN ILLINOIS, INC",
        "organizational_subpart": "NO",
        "enumeration_date": "2017-07-24",
        "last_updated": "2025-04-25",
        "certification_date": "2025-04-25",
        "status": "A",
        "authorized_official_last_name": "EGHIGIAN",
        "authorized_official_first_name": "CATHY",
        "authorized_official_title_or_position": "SENIOR DIRECTOR MANAGED CARE",
        "authorized_official_telephone_number": "314-273-0770"
    },
    "taxonomies": [
        {
            "code": "261QM1300X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Multi-Specialty",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "WUPI - Internal Medicine",
            "code": "5",
            "type": "Other Name"
        },
        {
            "organization_name": "Washington University",
            "code": "5",
            "type": "Other Name"
        }
    ]
}

Other providers in O'Fallon, IL

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 25, 2025; 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.