WASHINGTON UNIVERSITY
NPI 1104866656
Clinic/Center - Emergency Care in Saint Louis, MO

Active since June 06, 2006
660 S EUCLID AVE, SAINT LOUIS, MO 63110(314) 747-4873(314) 747-4876 Get Directions Write a Review

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

About Washington University NPPES

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

WASHINGTON UNIVERSITY (NPI 1104866656) is a healthcare organization registered as an emergency care in Saint Louis, Missouri and active in the NPI registry since June 2006. The organization lists Cathy L Eghigian, Senior Director Managed Care, as its authorized official.

NPPES Registry Identity

NPI1104866656
Entity TypeOrganization
Primary Taxonomy261QE0002X
Legal Business NameWASHINGTON UNIVERSITY
Location Address660 S EUCLID AVESaint Louis, MO 63110-1010
Mailing AddressPo Box 7412011Chicago, IL 60674-2011 · (314) 273-0770
Fax(314) 747-4876
Organization SubpartNo
Authorized OfficialCathy L EghigianSenior Director Managed Care · (314) 273-0770
Enumeration DateJune 6, 2006
Last NPPES UpdateApril 25, 2025
NPPES CertifiedApril 25, 2025
✔ NPI 1104866656 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Emergency CareAmbulatory Health Care Facilities
Taxonomy Code261QE0002X
660 S EUCLID AVE, Saint Louis, MO 63110

Other Names 1

Other NameWashington University, Dept Of Emergency Medicine

Other Identifiers 8

Other3694MO · Ghp Master Vendor
Other39-01999MO · Uhc Group Number
Other673341MO · Aetna Hmo Group
Other92215194IL · Il Blue Shield
Other610916400MO · Department Of Labor
Other6539807MO · Special Health Care Needs
Other102PR9MO · Blue Shield Billing Code
Medicaid553360405MO

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 is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

155

Medicare enrollment records show 155 clinicians reassign Medicare billing to Washington University, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 141 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 6

Emergency Medicine118
Nurse Practitioner29
Critical Care (Intensivists)4
Anesthesiology2
Internal Medicine1
Pediatric Medicine1

Nearest to this location (20)

See all 155
Emergency Medicine
NPI 1336633197
660 S EUCLID AVE
Saint Louis, MO 63110
(314) 273-0246
✔ PECOS✔ Accepts MedicareSame address
Emergency Medicine
NPI 1396760849
1 CHILDRENS PL DIV PED EMERGENCY MED
Saint Louis, MO 63110
(314) 454-2341
✔ PECOS✔ Accepts Medicare0.2 mi
Pediatric Medicine
NPI 1720649445
1 CHILDRENS PL DIV PED EMERGENCY MED
Saint Louis, MO 63110
(314) 454-6000
✔ PECOS✔ Accepts Medicare0.2 mi
Emergency Medicine
NPI 1962428284
400 S KINGSHIGHWAY BLVD
Saint Louis, MO 63110
(314) 747-4873
✔ PECOS0.3 mi
Emergency Medicine
NPI 1962883256
400 S KINGSHIGHWAY BLVD DEPT EMERGENCY MED
Saint Louis, MO 63110
(314) 362-9123
✔ PECOS✔ Accepts Medicare0.3 mi
Emergency Medicine
NPI 1346369584
400 S KINGSHIGHWAY BLVD DEPT EMERGENCY MED
Saint Louis, MO 63110
(314) 362-9123
✔ PECOS✔ Accepts Medicare0.3 mi
Emergency Medicine
NPI 1912925330
400 S KINGSHIGHWAY BLVD DEPT EMERGENCY MED
Saint Louis, MO 63110
(314) 362-9123
✔ PECOS✔ Accepts Medicare0.3 mi
Emergency Medicine
NPI 1184640310
400 S KINGSHIGHWAY BLVD DEPT EMERGENCY MED
Saint Louis, MO 63110
(314) 362-9123
✔ PECOS✔ Accepts Medicare0.3 mi
Emergency Medicine
NPI 1649206061
400 S KINGSHIGHWAY BLVD DEPT EMERGENCY MED
Saint Louis, MO 63110
(314) 362-9123
✔ PECOS✔ Accepts Medicare0.3 mi
Nurse Practitioner
NPI 1750340279
400 S KINGSHIGHWAY BLVD DEPT EMERGENCY MED
Saint Louis, MO 63110
(314) 362-9123
✔ PECOS0.3 mi
Nurse Practitioner
NPI 1912172180
400 S KINGSHIGHWAY BLVD DEPT EMERGENCY MED
Saint Louis, MO 63110
(314) 362-9123
✔ PECOS✔ Accepts Medicare0.3 mi
Nurse Practitioner
NPI 1750612669
400 S KINGSHIGHWAY BLVD DEPT EMERGENCY MED
Saint Louis, MO 63110
(314) 362-9123
✔ PECOS✔ Accepts Medicare0.3 mi
Nurse Practitioner
NPI 1124584651
400 S KINGSHIGHWAY BLVD DEPT EMERGENCY MED
Saint Louis, MO 63110
(314) 362-9123
✔ PECOS✔ Accepts Medicare0.3 mi
Nurse Practitioner
NPI 1396761607
1 BARNES JEWISH HOSPITAL PLZ DIV IM PULMONARY
Saint Louis, MO 63110
(314) 454-8762
✔ PECOS✔ Accepts Medicare0.7 mi
Nurse Practitioner
NPI 1558115592
1 BARNES JEWISH HOSPITAL PLZ DEPT EMERGENCY MED
Saint Louis, MO 63110
(314) 362-9123
✔ PECOS✔ Accepts Medicare0.7 mi
Anesthesiology
NPI 1992357784
1 BARNES JEWISH HOSPITAL PLZ DEPT ANESTHESIOLOGY
Saint Louis, MO 63110
(800) 862-9980
✔ PECOS✔ Accepts Medicare0.7 mi
Internal Medicine
NPI 1740316942
1 BARNES JEWISH HOSPITAL PLZ DIV IM INFECTIOUS DISEASE
Saint Louis, MO 63110
(314) 362-9098
✔ PECOS✔ Accepts Medicare0.7 mi
Critical Care (Intensivists)
NPI 1508209313
1 BARNES JEWISH HOSPITAL PLZ DEPT ANESTHESIOLOGY
Saint Louis, MO 63110
(800) 862-9980
✔ PECOS✔ Accepts Medicare0.7 mi
Critical Care (Intensivists)
NPI 1487910865
1 BARNES JEWISH HOSPITAL PLZ DEPT ANESTHESIOLOGY
Saint Louis, MO 63110
(800) 862-9980
✔ PECOS✔ Accepts Medicare0.7 mi
Critical Care (Intensivists)
NPI 1427314095
1 BARNES JEWISH HOSPITAL PLZ DEPT ANESTHESIOLOGY
Saint Louis, MO 63110
(800) 862-9980
✔ PECOS✔ Accepts Medicare0.7 mi
See all 155 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's NPI number?

The NPI number for Washington University is 1104866656. It was assigned to this organization in the NPPES registry on June 6, 2006. The provider is also known as Washington University, Dept of Emergency Medicine.

Where is Washington University located?

Washington University is located at 660 S Euclid Ave, Saint Louis, MO 63110. The listed phone number is (314) 747-4873.

What is Washington University's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Emergency Care, with taxonomy code 261QE0002X.

Is Washington University enrolled in Medicare?

Yes. Washington University is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Washington University?

According to the CMS Revalidation Reassignment List (October 2026 release), 155 clinicians in 6 Medicare specialties reassign their Medicare billing to Washington University. 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 Emergency Medicine (118), Nurse Practitioner (29) and Critical Care (Intensivists) (4). Of these, 1 practice at this address and 141 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 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 18 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.