WASHINGTON UNIVERSITY PHYSICIANS IN ILLINOIS, INC
NPI 1457203135
Clinic/Center - Multi-Specialty in Saint Louis, MO
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 1457203135) is a healthcare organization registered as a multi-specialty in Saint Louis, Missouri and active in the NPI registry since February 2026. The organization lists Cathy Eghigian, Sr. Director, Managed Care, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
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
539Medicare enrollment records show 539 clinicians reassign Medicare billing to Washington University Physicians In Illinois, Inc, which bills Medicare for the services they deliver. Of these, 19 practice at this address and 399 within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 35
Nearest to this location (20)
See all 539Saint Louis, MO 63108
Saint Louis, MO 63108
Saint Louis, MO 63108
Saint Louis, MO 63108
Saint Louis, MO 63108
Saint Louis, MO 63108
Saint Louis, MO 63108
Saint Louis, MO 63108
Saint Louis, MO 63108
Saint Louis, MO 63108
Saint Louis, MO 63108
Saint Louis, MO 63108
Saint Louis, MO 63108
Saint Louis, MO 63108
Saint Louis, MO 63108
Saint Louis, MO 63108
Saint Louis, MO 63108
Saint Louis, MO 63108
Saint Louis, MO 63108
Saint Louis, MO 63110
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 1457203135. It was assigned to this organization in the NPPES registry on February 13, 2026. The provider is also known as WUPI - OB Telemedicine.
Where is Washington University Physicians In Illinois, Inc located?
Washington University Physicians In Illinois, Inc is located at 4901 Forest Park Ave Ste 341, Saint Louis, MO 63108. The listed phone number is (314) 454-8181.
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.
How many clinicians bill Medicare through Washington University Physicians In Illinois, Inc?
According to the CMS Revalidation Reassignment List (October 2026 release), 539 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 Pathology (56). Of these, 19 practice at this address and 399 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 February 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Washington University Physicians In Illinois, Inc · NPI 1457203135
Multi-Specialty organization in Saint Louis, Missouri. Organization record, active in the CMS NPPES registry since February 13, 2026.
## Identity
- **NPI:** 1457203135 (Entity type: Organization)
- **Enumerated:** February 13, 2026
- **Primary specialty:** Clinic/Center - Multi-Specialty · taxonomy 261QM1300X
- **Also known as:** WUPI - OB Telemedicine (Other Name)
- **Organization subpart:** No
- **Authorized official:** Cathy Eghigian, SR. DIRECTOR, MANAGED CARE
## Practice location
- **Address:** 4901 FOREST PARK AVE STE 341, Saint Louis, MO 63108-1453
- **Phone:** (314) 454-8181 · **Fax:** (314) 747-1429
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 539 clinicians in 35 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nurse Practitioner (92), Pediatric Medicine (91), Pathology (56); 19 practice at this address and 399 within 10 miles; [full list](https://npiprofile.com/npi/1457203135/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** February 13, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1457203135) · Data from the CMS NPPES public registry.