Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Washington University

Q: What type of organization is Washington University?

Washington University is registered in NPPES as a Rehabilitation Hospital (its primary provider taxonomy).

Rehabilitation Hospital in Saint Louis, MO · enumerated 2007 · authorized official Pauline Ignacio, Chief Resident.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1861605271

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Registry record

Entity type Organization (Type 2)

Legal business name Washington University

Practice address 4444 Forest Park Ave, Campus Box 8518, Saint Louis, MO, 63108

Phone (314) 445-7757

Enumeration date May 8, 2007

Last updated in NPPES Aug 22, 2020

Taxonomy & classification

283X00000X Rehabilitation Hospital Hospitals · License 2004015125 (MO) Primary

Authorized official

Name Pauline Ignacio

Title Chief Resident

Phone (314) 229-7944

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What type of organization is Washington University?

Washington University is registered in NPPES as a Rehabilitation Hospital (its primary provider taxonomy).

What is a Type 2 NPI?

A Type 2 NPI identifies an organization (group practice, hospital, pharmacy, lab), while Type 1 NPIs identify individual providers. Organizations bill under their Type 2 NPI.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-08-22.