Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Nathan Rouse

Specialist in Northfield, IL · enumerated 2022.

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

National Provider Identifier

1538816764

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Registry record

Entity type Individual (Type 1)

Name Nathan Rouse

Sex Male

Practice address 1850 Oak St, Northfield, IL, 60093

Phone (224) 505-5593

Enumeration date Mar 8, 2022

Last updated in NPPES Mar 8, 2022

Taxonomy & licenses

174400000X Specialist Other Service Providers Primary

Other identifiers

Identifier	Type	State	Issuer
NA	Other	-	N/A

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 specialty is Nathan Rouse?

Nathan Rouse is registered in NPPES with the primary taxonomy of Specialist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-03-08.