WASHINGTON UNIVERSITY
NPI 1609582964
Clinic/Center - Multi-Specialty in Saint Peters, MO
About Washington University NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WASHINGTON UNIVERSITY (NPI 1609582964), doing business as Wuca - Women's Care Specialists, is a healthcare organization registered as a multi-specialty in Saint Peters, Missouri and active in the NPI registry since January 2023. The organization lists Cathy Eghigian, Senior Director Wu 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 is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
12Medicare enrollment records show 12 clinicians reassign Medicare billing to Washington University, which bills Medicare for the services they deliver. Of these, 5 practice at this address. They are listed nearest first.
Clinicians by Medicare Specialty 2
Clinicians, nearest first (12)
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 1609582964. It was assigned to this organization in the NPPES registry on January 30, 2023. The provider is doing business as WUCA - Women's Care Specialists.
Where is Washington University located?
Washington University is located at 209 First Executive Ave, Saint Peters, MO 63376. The listed phone number is (636) 936-8777.
What is Washington University's specialty?
The primary specialty registered for this NPI is Clinic/Center, specializing in Multi-Specialty, with taxonomy code 261QM1300X.
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), 12 clinicians in 2 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 Nurse Practitioner (6) and Obstetrics/Gynecology (6). Of these, 5 practice at this address. 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 29, 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.
# Washington University · NPI 1609582964
Multi-Specialty organization in Saint Peters, Missouri. Organization record, active in the CMS NPPES registry since January 30, 2023.
## Identity
- **NPI:** 1609582964 (Entity type: Organization)
- **Enumerated:** January 30, 2023
- **Primary specialty:** Clinic/Center - Multi-Specialty · taxonomy 261QM1300X
- **Also known as:** WUCA - Women's Care Specialists (Doing Business As)
- **Organization subpart:** No
- **Authorized official:** Cathy Eghigian, SENIOR DIRECTOR WU MANAGED CARE
## Practice location
- **Address:** 209 FIRST EXECUTIVE AVE, Saint Peters, MO 63376-1697
- **Phone:** (636) 936-8777
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 12 clinicians in 2 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nurse Practitioner (6), Obstetrics/Gynecology (6); 5 practice at this address · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** April 29, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1609582964) · Data from the CMS NPPES public registry.