Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Clayton Cooper Lewis, PA-C

Physician Assistant in Rockford, IL · enumerated 2018.

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

National Provider Identifier

1619449972

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Registry record

Entity type Individual (Type 1)

Name Clayton Cooper Lewis

Credential PA-C

Sex Male

Practice address 324 Roxbury Rd, Rockford, IL, 61107

Phone (815) 398-9491

Fax (815) 381-7498

Enumeration date Dec 27, 2018

Last updated in NPPES May 2, 2025

Taxonomy & licenses

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 8372-23 (WI) Secondary

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 085007004 (IL) Primary

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 is the NPI number for Clayton Lewis?

The National Provider Identifier (NPI) for Clayton Lewis is 1619449972, a Type 1 (individual) record in the CMS NPPES registry.

Where does Clayton Lewis practice?

The practice location on file with NPPES is in Rockford, IL. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-05-02.